... x 6.4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20,21,221/2" x 1/2"12.7mm ... x 12.7mm16,17,18,19,20,21,22,235/ ... 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 ... 1/2"12.7mm x 12.7mm16,17,18,19,20,213/4" x 3/4"19mm x 19mm16,17,18 ... ,19,20,211" x 1"25.4mm x 25.4mm15,16,17 ...