... 19.1mm16,17,18,19,20,211" x 1/2"25.4mm x 12.7mm16,17,18,19,20,211-1 ... -1/2"38mm x 38mm14,15,16,17,18,191" x 2"25.4mm x 50.8mm14,15,162" x 2"50.8mm ... x 50.8mm12,13,14,15,16Technical Note: 1 ... x 19mm16,17,18,19,20,211" x 1"25.4mm x 25.4mm15,16,17,18,19,20Technical Note: 1.Standard ...