... 12.7mm16,17,18,19,20,21,22,235/8" x 5/8"16mm x 16mm18,19,20,21,3/4" 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 ... /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 25.4mm15,16,17,18,19 ...