Specification:100% Brand and high qualityModel: M3X0.5 / M4X0.7 / M5X0.8 / M6X1 (optional)Material: Ball Bearing SteelM3: Length: approx. 46mm/1.79", Diameter of Head: approx. 4mmM4: Length: approx. 52mm/2.03", Diameter of Head: approx. 5mmM5: Length: approx. 60mm/2.34", Diameter of Head: approx. 5.5mmM6: Length: approx. 62mm/2.42", Diameter of Head: approx. 6mm

Feature:The Handle made of bearing steel.High strength and hardness.Wear resistant and high temperature resistant.Easy to use.Durable in use.Suitable for bicycle repair, assemble furniture, machinery manufacturing, etc.

Package included:3 x Hand Screw Thread Taps

Note:Please allow 1-5mm errors due to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.