... 6.4mm22,23,24,253/8" 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 ... ,23,245/8" x 5/8"16mm x 16mm18,19,20,213/4" x 3/4"19mm ... .8mm x 50.8mm12,14,15,16,17,183" x 3"75mm x 75mm16,17,184" x 4"100mm x 100mm12 ...