77 Piece Ratcheting Tap and Die Set -3887 77 PC SAE/Metric

77 Piece SAE/Metric Ratcheting Tap and Die Set -3887. Die adapter works on round and hex shaped dies. Ratcheting T-handles wind dies with a 5° swing arc and have a reversing lever to eliminate hand-over-hand turning Twist Lock guide system reduces the "walk back" of the die guide and keeps the dies centered while cutting.