McKissick® Construction Blocks
Model No.
|
680-S
Inquiry
Stock No.
|
Working
Load Limit
(t)
|
No. of
Sheaves
|
Sheave
Diam.
(mm)
|
Blocks with Hanger and Shackle - Dimensions (mm)
|
Weight
Each
(kg.)
|
A
|
E
|
F
|
G
|
H
|
I
|
S
|
T
|
U
|
V
|
W
|
X
|
|
C20Q8BS
|
2103270
|
18.1
|
4
|
203
|
845
|
265
|
206
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
98
|
|
C20Q10BS
|
2103272
|
18.1
|
4
|
254
|
900
|
265
|
257
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
122
|
|
C20Q12BS
|
2103274
|
18.1
|
4
|
305
|
949
|
265
|
308
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
140
|
|
C20Q14BS
|
2103276
|
18.1
|
4
|
356
|
995
|
265
|
359
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
162
|
|
22.7 Tonnes
|
|
C25S18BS
|
2103314
|
22.7
|
1
|
457
|
979
|
103
|
460
|
|
--
|
--
|
167
|
119
|
49.3
|
38.1
|
41.1
|
--
|
107
|
|
C25D12BS
|
2103320
|
22.7
|
2
|
305
|
975
|
148
|
308
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
92
|
|
C25D14BS
|
2103322
|
22.7
|
2
|
356
|
995
|
148
|
359
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
107
|
|
C25D16BS
|
2103324
|
22.7
|
2
|
406
|
1053
|
148
|
409
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
125
|
|
C25T10BS
|
2103330
|
22.7
|
3
|
254
|
900
|
207
|
257
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
100
|
|
C25T12BS
|
2103332
|
22.7
|
3
|
305
|
949
|
207
|
308
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
113
|
|
C25T14BS
|
2103334
|
22.7
|
3
|
356
|
995
|
207
|
359
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
134
|
|
C25T16BS
|
2103336
|
22.7
|
3
|
406
|
1053
|
207
|
409
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
159
|
|
C25Q8BS
|
2103340
|
22.7
|
4
|
203
|
845
|
265
|
206
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
98
|
|
C25Q10BS
|
2103342
|
22.7
|
4
|
254
|
900
|
265
|
257
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
122
|
|
C25Q12BS
|
2103344
|
22.7
|
4
|
305
|
949
|
265
|
308
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
140
|
|
C25Q14BS
|
2103346
|
22.7
|
4
|
356
|
995
|
265
|
359
|
22.4
|
24.6
|
29.0
|
167
|
119
|
49.3
|
38.1
|
41.1
|
58.5
|
162
|
|
27.2 Tonnes
|
|
C30D12BS
|
2103390
|
27.2
|
2
|
305
|
1043
|
174
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
111
|
|
C30D14BS
|
2103392
|
27.2
|
2
|
356
|
1091
|
174
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
127
|
|
C30D16BS
|
2103394
|
27.2
|
2
|
406
|
1151
|
174
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
147
|
|
C30D18BS
|
2103396
|
27.2
|
2
|
457
|
1195
|
174
|
460
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
181
|
|
C30T10BS
|
2103400
|
27.2
|
3
|
254
|
995
|
207
|
257
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
124
|
|
C30T12BS
|
2103402
|
27.2
|
3
|
305
|
1043
|
207
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
136
|
|
C30T14BS
|
2103404
|
27.2
|
3
|
356
|
1091
|
207
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
156
|
|
C30T16BS
|
2103406
|
27.2
|
3
|
406
|
1158
|
207
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
184
|
|
C30Q10BS
|
2103410
|
27.2
|
4
|
254
|
1195
|
265
|
257
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
148
|
|
C30Q12BS
|
2103412
|
27.2
|
4
|
305
|
1043
|
265
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
165
|
|
C30Q14BS
|
2103414
|
27.2
|
4
|
356
|
1091
|
265
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
188
|
|
C30Q16BS
|
2103416
|
27.2
|
4
|
406
|
1151
|
265
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
177
|
|
31.8 Tonnes
|
|
C35D12BS
|
2103450
|
31.8
|
2
|
305
|
1043
|
174
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
111
|
|
C35D14BS
|
2103452
|
31.8
|
2
|
356
|
1091
|
174
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
127
|
|
C35D16BS
|
2103454
|
31.8
|
2
|
406
|
1151
|
174
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
147
|
|
C35D18BS
|
2103456
|
31.8
|
2
|
457
|
1195
|
174
|
460
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
181
|
|
C35T10BS
|
2103460
|
31.8
|
3
|
254
|
995
|
207
|
257
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
124
|
|
C35T12BS
|
2103462
|
31.8
|
3
|
305
|
1043
|
207
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
71.0
|
136
|
|
C35T14BS
|
2103464
|
31.8
|
3
|
356
|
1091
|
207
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
156
|
|
C35T16BS
|
2103466
|
31.8
|
3
|
406
|
1151
|
207
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
184
|
|
C35Q10BS
|
2103470
|
31.8
|
4
|
254
|
1195
|
265
|
257
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
148
|
|
C35Q12BS
|
2103472
|
31.8
|
4
|
305
|
1043
|
265
|
308
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
165
|
|
C35Q14BS
|
2103474
|
31.8
|
4
|
356
|
1091
|
265
|
359
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
188
|
|
C35Q16BS
|
2103476
|
31.8
|
4
|
406
|
1151
|
265
|
409
|
25.4
|
26.9
|
34.0
|
167
|
103
|
49.3
|
38.1
|
41.1
|
58.5
|
222
|
|
36.3 Tonnes
|
|
C40D18BS
|
2103512
|
36.3
|
2
|
457
|
1276
|
199
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
255
|
|
C40D20BS
|
2103514
|
36.3
|
2
|
508
|
1308
|
199
|
511
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
295
|
|
C40D24BS
|
2103516
|
36.3
|
2
|
610
|
1410
|
199
|
613
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
376
|
|
C40T14BS
|
2103520
|
36.3
|
3
|
356
|
1207
|
207
|
359
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
177
|
|
C40T16BS
|
2103522
|
36.3
|
3
|
406
|
1264
|
207
|
409
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
204
|
|
C40T18BS
|
2103524
|
36.3
|
3
|
457
|
1276
|
264
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
308
|
|
C40T20BS
|
2103526
|
36.3
|
3
|
508
|
1308
|
264
|
511
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
358
|
|
C40Q12BS
|
2103530
|
36.3
|
4
|
305
|
1159
|
265
|
308
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
191
|
|
C40Q14BS
|
2103532
|
36.3
|
4
|
356
|
1207
|
265
|
359
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
211
|
|
C40Q16BS
|
2103534
|
36.3
|
4
|
406
|
1264
|
265
|
409
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
243
|
|
C40Q18BS
|
2103536
|
36.3
|
4
|
457
|
1276
|
339
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
363
|
|
40.8 Tonnes
|
|
C45D18BS
|
2103582
|
40.8
|
2
|
457
|
1276
|
199
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
255
|
|
C45D20BS
|
2103584
|
40.8
|
2
|
508
|
1308
|
199
|
511
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
295
|
|
C45D24BS
|
2103586
|
40.8
|
2
|
610
|
1410
|
199
|
613
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
84.0
|
376
|
|
C45T14BS
|
2103590
|
40.8
|
3
|
356
|
1207
|
207
|
359
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
177
|
|
C45T16BS
|
2103592
|
40.8
|
3
|
406
|
1264
|
207
|
409
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
204
|
|
C45T18BS
|
2103594
|
40.8
|
3
|
457
|
1276
|
264
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
308
|
|
C45T20BS
|
2103596
|
40.8
|
3
|
508
|
1308
|
264
|
511
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
358
|
|
C45Q12BS
|
2103600
|
40.8
|
4
|
305
|
1159
|
265
|
308
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
191
|
|
C45Q14BS
|
2103602
|
40.8
|
4
|
356
|
1207
|
265
|
359
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
211
|
|
C45Q16BS
|
2103604
|
40.8
|
4
|
406
|
1264
|
265
|
409
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
58.5
|
243
|
|
C45Q18BS
|
2103606
|
40.8
|
4
|
457
|
1276
|
339
|
460
|
28.7
|
31.8
|
37.1
|
203
|
130
|
63.5
|
44.5
|
57.0
|
73.5
|
363
|
|
45.4 Tonnes
|
|
C50D20BS
|
2103640
|
45.4
|
2
|
508
|
1443
|
199
|
511
|
31.8
|
35.1
|
41.1
|
226
|
143
|
73.0
|
51.0
|
61.0
|
84.0
|
336
|
|
C50D24BS
|
2103642
|
45.4
|
2
|
610
|
1545
|
199
|
613
|
31.8
|
35.1
|
41.1
|
226
|
143
|
73.0
|
51.0
|
61.0
|
84.0
|
419
|
|
C50T18BS
|
2103650
|
45.4
|
3
|
457
|
1411
|
264
|
460
|
31.8
|
35.1
|
41.1
|
226
|
133
|
73.0
|
51.0
|
61.0
|
73.5
|
341
|
|
