A set of nuts and washers to suit spindles on Norton girder forks consisting of:
4 x 1/2" BSCy narrow nuts
3 x 7/16 BSCy nuts
4 x 1/2" washers
3 x 7/16" washers
 
All supplied in stainless steel. 
 
Please note: The washers supplied here are the plain washers to go under the nuts. We do also sell the knurled ones used when adjusting the forks.