Nut washer and lock washer set 400 pieces affix 49 0123 p this 400 piece nut washer and lock washer set includes six popular sizes and is ideal for any tradesman or diy enthusiast the pieces are supplied in a six compartment blue chest br br the full range includes br br 45 nuts m3 br 35 nuts m4 br 25 nuts m5 br 15 nuts m6 br 8 nuts m8 br 6 nuts m10 br 45 washers m3 2mm br 35 washers m4 3mm br 25 washers m5 3mm br 15 washers m6 4mm br 8 washers m8 4mm br 6 washers