114 pc. Large SAE/Metric Ratcheting Tap and Die Set 5 degree ratcheting arc with reversible lever eliminates hand over hand turning. Patented Twist Lock guide system reduces “back walk” of die guide. Extension adapters provide access in tight confined areas. . Length of tap and die system can be extended by combining adapters and any 3/8 drive extension.. Tap holders tilt down for easy access keeping taps secure and organized. Works with round and hex shaped dies. Includes 4-40 to 3/4 and 3 to 18mm sizes 82812 No -