Specification Brand : Yuecoom BulletPoint1 : Provide an accurate starting point for steel and other solid materials. BulletPoint2 : Allows you to easily mark the workpiece with one hand before drilling, which prevents the bit from sliding. BulletPoint3 : Then the automatic spring is loaded at the top of the loop to release. BulletPoint4 : The spring pressure can be adjusted by rotating the top of the knurled punch. BulletPoint5 : 100% brand new and high-quality. Color : Silver ExternallyAssignedProductIdentifier : 7401811163671 IncludedComponents : inc ItemName : 3 Pcs Punch Wood Marking Tool, Center Punch for Metal 3 Pack Automatic Center Punch Set Tool Center Punch Combination Marker for Drilling Positioning ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hand-tool-center-punches Manufacturer : Yuecoom Material : Carbon Steel ModelName : Yosoo4rqo06b72z-11 ModelNumber : Yosoo4rqo06b72z-11 OperationMode : Automatic PartNumber : Yuecoom82npv790ih ProductDescription : Specification: Size:8*23*101mm/0.31*0.91*3.98in Type:1.5mm/2mm/3mm