Chain Size Iso G43 Hi Test Chain

Width Length
Chain size Diameter
wd
Outer
ow
Inner
iw
Outer
ol
Pitch
il
mm in mm in mm in mm in mm in
1/4in 7.0 0.276 10.4 0.410 21.3 0.839
5/16in 8.4 0.331 13.0 0.510 26.2 1.031
3/8in 10.0 0.394 15.0 0.591 31.0 1.220
7/16in 11.8 0.465 16.5 0.650 35.6 1.402
1/2in 13.0 0.512 19.3 0.760 40.3 1.588

Source: http://coxeng.co.uk/anchoring/chain/