Light Duty Swivel Hook Blocks
Lifting & Rigging Blocks

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Model No. |
Max Cable Size |
A |
B |
C |
D |
E |
F |
LO |
O |
Working |
Weight |
1578 |
3/16" |
1" |
1-1/2" |
7/16" |
2-7/16" |
4-1/8" |
1-5/8" |
5/16" |
7/16" |
525 lbs |
.5 lb |
2078 |
3/16" |
1-1/2" |
2" |
7/16" |
2-15/16" |
4-5/8" |
2-1/8" |
5/16" |
7/16" |
600 lbs |
.7 lb |
2578 |
1/4" |
2" |
2-1/2" |
7/16" |
3-7/16" |
5-3/4" |
2-5/8" |
1/2" |
5/8" |
685 lbs |
1 lb |
02578-1/8 |
1/8" |
2-1/4" |
2-1/2" |
7/16" |
3-7/16" |
5-3/4" |
2-5/8" |
1/2" |
5/8" |
685 lbs |
1 lb |
3078 |
1/4" |
2-1/2" |
3" |
7/16" |
4-1/16" |
6-1/4" |
3-1/8" |
1/2" |
5/8" |
800 lbs |
1.4 lbs |
03078-5/16 |
5/16" |
2-1/2" |
3" |
7/16" |
4-1/16" |
6-1/4" |
3-1/8" |
1/2" |
5/8" |
800 lbs |
1.4 lbs |
3578 |
5/16" |
3" |
3-1/2" |
5/8" |
5-3/8" |
8-1/2" |
3-3/4" |
13/16" |
15/16" |
1550 lbs |
3.1 lbs |
03578-3/8 |
3/8" |
3" |
3-1/2" |
5/8" |
5-3/8" |
8-1/2" |
3-3/4" |
13/16" |
15/16" |
1550 lbs |
3.1 lbs |
4078 |
3/8" |
3-1/4" |
4" |
5/8" |
6" |
9" |
4-1/4" |
13/16" |
15/16" |
1700 lbs |
3.50 lbs |
5078 |
3/8" |
4-1/4" |
5" |
5/8" |
7" |
10" |
5-1/4" |
13/16" |
15/16" |
1850 lbs |
5.3 lbs |