Function: 1. Adopting high-quality bearing steel, which is durable and has a long service life 2. This set includes 1 T tap wrench, 4 taps and 4 twist drill bits 3. The T-shaped tap wrench design makes it one-handed operation, more convenient to use 4. It can improve the thread processing efficiency, is a necessary tool for hand threading 5. With this set of taps and spanners, threading will become easier and more accurate Specification: Description : This spanner and tap set is a general hand tap tool. Includes 1 T tap wrench, 4 taps and 4 twist drill bits. Adopting high quality bearing steel, which is durable for thread cutting. With this set of taps and spanners, threading will become easier and more precise. Characteristics: Adopting high-quality bearing steel, which is durable and has a long service life. It can improve the thread processing efficiency, is a necessary tool for hand threading. This set includes 1 T tap wrench, 4 taps and 4 twist drill bits. The T-shaped tap wrench design makes it one-handed operation, more convenient to use. With this set of taps and spanners, threading will become easier and more precise. technical data : Item Type: Faucet Wrench Set Material: bearing steel Touch Model: M3*0.5mm, M4*0.7mm, M5*0.8mm, M6*1.0mm Twist Drill Diameter: 2.5mm/0.10inch, 3.5mm/0.14inch, 4.2mm/0.17inch, 5.2mm/0.2inch Wrench range: M3-M6 Package weight: 126g The package includes: 1 x faucet wrench 4 x taps 4 x twist drill