... , 21, 22, 24, 27,30,32)mm4 pc 1/2" DR (1", 1-1/4", 1-1/16, 15/16)11 pc 3/8" DR (9,10,11 ... ,12,13,14,15,16,17,18,19)mm9 pc ... 3/8" DR (11/16,1/2,13/16,3/4,3/85/8,7/16,7/8,9/16 ... )10 pc 1/4" DR (11/32,1/2,1/4,3/16 ... ,3/8,5/16,5/32,7/16,7 ...