51
Soft-attach options
• Loop or lash through sheave center 
 instead of block head.
• Sheave center carries primary load, 
 allowing a smaller, lighter weight block.
Shackle blocks lock in two 
directions or swivel to keep 
line from twisting
• Set screw allows shackle to be fixed 
 or to swivel.
Easy maintenance
• Quick disassembly with hex wrench; 
 minimal number of fasteners; 
 no loose balls or rollers.
Torlon is a registered trademark of Solvay Advanced Polymers L.L.C. 
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
Soft-attach options
• Patented Loop blocks 
 have a removable dead
 end post for attachment 
 to a padeye.
6061-T6 
aluminum: 
Hard Lube-anodized
sideplates, sheave
Delrin 
UV-stabilized:
Ball bearings
Torlon: 
Caged roller bearings
Materials
For properties 
see pages 253-254.
Which Block 
do I need?

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