ITEM NAME:9pcs T Type Thread Tap Reamer M3/M4/M5/M6/ Steel Hand Machine Screw Tool Kit Product Description Description: Features: High quality steel material: durable for use. T shape design: use effortlessly and conveniently. Precise design: Suitable for general metal, aluminum processing 9pcs in just one package: meets your different needs. Specifications: Item: T Type Thread Tap Reamer Material: Steel Screw: M3 X 0.5, M4 X 0.7, M5 X 0.8, M6 X 1.0 Twist drill: 2.5, 3.3, 4.2, 5.0MM T type tap holder: fits for M3-M6 Included: 1 X T Type Tap Holder 4 X Drill 4 X Screw Tap.Screw: M3 X 0.5, M4 X 0.7, M5 X 0.8, M6 X 1.0. 4 X Screw Tap. T type tap holder:fits for M3-M6. 1 XT Type Tap Holder. Twist drill:2.5, 3.3, 4.2, 5.0MM. High quality steel material: durable for use. Material: Steel.