Tap & Die Set, British Standard Pipe Thread, Whitworth form, in sizes 1 1/2",1 1/4",1",3/ 4", comprising 1xTaper, 1xPlug, 1xMaster Tap in each size and 1x3-piece die in each size, with 1xdie stock, 1xopen ended spanner and two tap wrenches, all in wooden fitted box. Tap & Die Set