Die adapter works on round and hex shaped dies. 5 degree ratcheting arc with reversible lever eliminates hand over hand turning. 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. Spring-loaded cap allows for quick-release of large tap adapter. Extension adapters provide access in tight confined areas.