The SW-Stahl 81768L is a comprehensive 21-piece hand tap and die set designed for cutting and repairing M3 to M12 metric threads. This high-quality set includes seven 3-piece hand tap sets (pre-cutter, mid-cutter, finish-cutter) for M3, M4, M5, M6, M8, M10, and M12 threads, conforming to DIN 352. It also features seven matching round dies (DIN 223) for the same thread sizes. The set is completed with two tap wrenches (DIN 1814, sizes 1 and 2) and one adjustable die stock (DIN 225, 25 x 9 mm), all neatly organized in a durable plastic case.