... )1/4" x 1/4"6.4mm x 6.4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20,21,221/2" x 1/2"12.7mm x ... ,2.5mm,1.65mm3" x 3"75mm x 75mm2.67mm,2.41mm,2.11mm,1.83mm,1.65mm2" x 4"50mm x 100mm2.11mm,2.5mm4" x 4"100mm x 100mm2 ... (mm)1/2" 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 ...