The Arctic Hayes Plumbers Washer Kit contains a selection of the most popular sizes in a handy storage/carry case.

Supplied with 12 pieces of each size: 16.5*6mm, 24*11mm, 19.5*5mm, 15.5*4mm, 12*4mm, 32*5mm, 19*10mm, 19*11mm, 24*15mm, 22*12mm, 18*15mm & 24*20mm.