YIXUAN Made of alloy steel with chromium plating finish which is hardness and durable Adjustable T-Handle, You can slipped T-Handle from side to side for positioning convenience and added leverage in tight places Size of screw thread taps : M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25, for taps M3-M8 T-Handle Ratcheting Tap Wrenches Three position gear box for quick, efficient ratcheting action Package included: 1-Piece adjustable T-Handle ratchet tap holder wrench + 5Pcs Taps Specifications: Name: Adjustable T-Handle Ratchet Tap Holder Wrench Set Material: Alloy Steel Color: Silver Size of screw thread taps: M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25; Usage: For Taps M3-M8; Length of Wrench: 85mm / 3.35in. Package includes: 1*T-Handle Ratchet Tap Wrench 5* Hand Screw Tap