Features: 1. 100% quality and Brand new. 2. 3mm-8mm T-Handle Ratchet Tap Wrench Machinist Tool. 3. Small Size T-Handle Tap Wrench-Chuck Type M3-M8. 4. Usage: For Taps M3-M8. 5. T-Handle Ratcheting Tap Wrenches Three position gear box for quick, efficient ratcheting action Designed for use with taps and can also use on theleft hand tap, reamers, screw extractors and other tools with a quadrate shank. Specification: Material: Stainless steel Length: 85mm Tap Wrench operate main point: A. The good pit hole must chamfering chamfer first B. To use drill clamp supporting tap C. Tap to vertical alignment operation D. Cut into rotation level 2-3 times E. confirm vertical after Cut into F. Tapping 3/4 turn after a quarter back feeling G. level reversal pull out after working H. Remember that cutting metal need to use with the oil Package Included: 1 x 3mm-8mm T-Handle Ratchet Tap Wrench .