U.S. Tsubaki Wrench chains have extra long pins extending beyond both sides of the chain. They serve as tension linkages for holding pipes securely in pipe wrenches.
Unit of Measure

Specifications

P - Pitch

0.750 in

Lacing 

2x2

A - Width Over Link Plate

0.394 in

Average Tensile Strength

9000 lb

UPC Code

097039206534

Pin Specifications

D

0.234 in

L

0.787 in

E

0.197 in

Link Plate

T

0.094 in

H

0.614 in