... /2" x 1/2"12.7 x 12.716,17,18,19,20,21,22,235/8" x 5/8 ... "16 x 1618,19,20,21,3/4" x 3/4" ... 19.1 x 19.116,17,18,19,20,211" x 1/2"25.4 x 12 ... .716,17,18,19,20,211-1/2" x 1-1/2"38 ... x 3814,15,16,17,18,191" x 2"25.4 x 50.814,15 ... ,162" x 2"50.8 x 50.812,13,14,15,16 ...