Automatic Center Punching Universal Loading Positioner Woodworking Metal Drill Adjustable Spring Metal Drill Hand Tools Sets

Feature: 1.100% brand new and high quality 2.High carbon steel treatment to prevent skidding. 3.The mark will prevent slipping before drilling. 4.Automatically load the spring and then forcefully release the loop to create a center punch (without hammer). 5.Spring pressure can be adjusted by simple rotation to adjust knurling. 6.Automatically designed clean and accurate boxing wood and plastic Description: Material: High carbon steel + alloy steel