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

0.625 in

Lacing 

2x2

A - Width Over Link Plate

0.331 in

Average Tensile Strength

6750 lb

UPC Code

097039206510

Pin Specifications

D

0.200 in

L

0.559 in

E

0.114 in

Link Plate

T

0.080 in

H

0.512 in