Adjustable T-Handle Ratchet Screw Thread Manual Clamping Tool screw thread M3 M4 M5 M6 M8 Wrench Tap set hand tool Feature: * The Handle made of high quality bearing steel, the chuck made of alloy steel. * T-shaped or 7 word shaped design, can one-hand operation, easy to use. Specification: Type: Taps Wrench Size: M3-M8 Suitable for: bicycle repair, assemble furniture, machinery manufacturing, ect. M8*1.25; Usage: For Taps M3-M8 Easily switched from left to right handed operation, or locked for non-ratcheting use T-Handle Ratcheting Tap Wrenches Three position gear box for quick, efficient ratcheting action Designed for use with taps and can also use on the left hand tap , reamers, screw extractors and other tools with a square shank Features: Name: Tapping Drill, Tapping Tool 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 steel Size of screw taps: M3 Tap, M4 Tap, M5 Tap, M6 Tap, M8 Tap