1 pc Adjustable 3-8mm T-Handle Ratchet Tap Wrench with M3-M8 Machine Screw Thread Metric Plug Tap Machinist Tool

  Features: All-steel design with chromium-plated finish for the highest durability. Beautifully precise ratcheting action for high quality work. Adjustable T-Handle can be "slipped" from side to side for positioning convenience and added leverage in tight places. Easily switched from left to right handed operation, or locked for non-ratcheting use. Parallel-clamping tool steel jaws and knurled chuck provide a secure, firm grip on hex or square drives. Designed for using with taps and can also use on the left hand tap, reamers, screw extractors and other tools with a square shank.   Tap Wrench operate main point: 1. The good pit hole must chamfering first 2. To use drill clamp supporting tap 3. Tap to vertical alignment operation 4. Cut into rotation level 2-3 times 5. confirm vertical after Cut into 6. Tapping 3/4 turn after a quarter back feeling 7. level reversal pull out after working 8. Remember that cutting metal need to use with the oil   Material: stainless