Specification Brand : Yuecoom BulletPoint : Manufacturer: Swingline BulletPoint1 : Makes drilling easier: Pictured has an automatic manual punch tool with a spring-loaded mechanism that actually works and puts solid marks on wood, metal, steel, aluminum, brass, copper, etc. for steel and Other solid materials provide accurate starting points. BulletPoint2 : Prevents Bit Slip: Provides a starting point for your drill bit, making it easier for you, so it won't slip in tight places. Don't let your drill move around again! Allows you to easily mark the workpiece with one hand before drilling, preventing the drill from slipping. BulletPoint3 : Automatic Spring: The automatic spring is then loaded on top of the loop to release. The top punch has an automatic spring and you will be able to get it just right so you can use it with a simple one-handed operation. BulletPoint4 : Variable Strength: Spring pressure can be adjusted by rotating the top of the knurled punch. Features an adjustable spring-loaded design for variable impact strength and hardened tips for extended life BulletPoint5 : One-handed operation: One-handed operation, just adjust to the desired spring tension, press hard on the workpiece for automatic center punching, one-handed operation can accurately mark without a hammer Color : Steel CompatibleMaterial : Alloy Steel ExternallyAssignedProductIdentifier : 7015832922874 ExternallyAssignedProductIdentifier1 : 096685021829 ExternallyAssignedProductIdentifier2 : 0096685021829 ExternallyAssignedProductIdentifier3 : 00096685021829 FinishType : Finish GpsrSafetyAttestation : 1 HoleCount : 1 IncludedComponents : inc ItemName : Automatic Centre Hole Punch, 3 Pcs Black Steel Spring Loaded Center Hole Punch Wood Marking Tool Center Punch Combination Marker for Drilling Positioning ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hand-tool-center-punches Manufacturer : Yuecoom Material : Material Material1 : Rubber Material2 : Metal ModelName : Sougan mz7cy0nq9o ModelNumber : Souganmz7cy0nq9o NumberOfItems : 1 OperationMode : Manual PackageLevel : unit PartNumber : Yuecoomiwghq79xes PowerSourceType : PowerSource ProductDescription : Features: Provide an accurate starting point for steel and other solid materials.Allows you to easily mark the workpiece with one hand before drilling, which prevents the bit from sliding.Then the automatic spring is loaded at the top of the loop to release.The spring pressure can be adjusted by rotating the top of the knurled punch.100% brand new and high-quality. Specification: Size:8*23*101mm/0.31*0.91*3.98in Type:1.5mm/2mm/3mm