A set of nuts and washers to fit Heavyweight Webb girder forks consisting of:
2 x 5/8 BSCy small hex and narrow nuts with spring washers
2 x 1/2 BSCy narrow nuts
2 x 1/2 BSCy small hex and shallow nuts with spring washers
2 x 7/16 BSCy narrow nut
 
All supplied in stainless steel. 
 
As fitted to late 1920's Norton CS1 and ES2.