SAE/Metric Ratcheting Tap and Die Drive Tool Set Spring-loaded cap allows for quick-release of large tap adapter. Extension adapters provide access in tight confined areas. Patented Twist Lock Guide System reduces back walk of die guard. Die adapter works with Pass-Thru Ratchet and Socket System as well as Vortex™ socket accessories. Autolocking feature allows for safe removal of tap adapter. Die adapter works on round and hex shaped dies. 5 degree ratcheting arc with reversible lever eliminates hand over hand turning. Set includes:. Ratcheting T Wrench (3881). Tap Adapter (3882). Tap Adapter (3883) 3887 No -