Dụng cụ đục lỗ trung tâm tự động 5 inch đánh dấu khoan

Welcome to my store！chitengyefine！ Specification: Brand new Material: high speed steel Color: gold, as picture shows Hardness: HRC58-65 Diameter: approx. 12.7mm Length: approx. 130mm (5 inch) Simple And Accurate To Use Knurled handle prevents slipping Gives precise starting point on steel and other solid materials Allows you to easily mark work using one hand prior to drilling which will prevent the drill from slipping Automatic Spring Loads Then Releases At Top Of Cycle With Force To Create Centre Punch (No Hammer Needed) Spring pressure can be adjusted by simply rotating the knurled top of the punch Automatic design cleanly and accurately punches steel wood and plastic Package included: 1 x automatic centre punch (other accessories are not included) 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 Thank you!