12 pack #10 laser cut aircraft ply washers. 1/64" thick (Aproximately .032" or .8mm), OD .525", ID .196". Use in many applications such as wing hold down bolts where a softer washer is often desired. Use for shimming motor mounts, servos and anyplace fine thickness adjustment is needed. Work well with metal and plastic fasteners. SKU Number: RRCFWW10X132P12