Manufactured from Chrome Vanadium with polished finish, this Whitworth combination spanner set is supplied in a handy storage wallet. Sizes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16". 8 Piece Whitworth combination spanner Classic Cars need constant attention and sometimes a new set of Whitworth Spanners are just what you need! British Standard Whitworth threads are used in many classic cars and employ a different measuring system to the AF or Metric counterparts. It is essential to use corresponding Whitworth spanners for Whitworth fixings and the new 8 piece Laser set covers 1/8" | 3/16" | 1/4" | 5/16" | 3/8" | 7/16" | 1/2" and 9/16", supplied in storage wallet.