... .619,20,21,22 1/2" 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 ... ,19,20,211" x 1/2" 25.4 x 12.7 16,17,18,19,20,211-1/2" x 1-1 ... /2"38 x 38 14,15,16,17,18,191" x 2" 25.4 x 50.8 ... 14,15,16 2" x 2" 50.8 x 50.812,13,14 ...