... .4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20,21,221/2" x 1/2"12.7mm x 12.7mm16 ... ,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18,19,20,211" x 1/2"25.4mm x ... 12.7mm16,17,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16 ... ,17,18,191" x 2"25.4mm x 50.8mm14 ... ,15,162" x 2"50.8mm x ...