77 Piece Ratcheting Tap and Die Set, SAE/Metric - 3887. Gearwrench Die adapter works on round and hex shaped dies.Gearwrench 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. Die adapters work with the 3/8inch Drive pass-thru ratchet and socket system as well as socket accessories. Auto-locking feature allow the tap adapters to be removed safely.
17 x 10 x 2 inches.