5 inch spring loaded automatic steel center hole punch can mark a dimpled starting point in materials such as sheet metal, wood, plastic and prevent nails or screws from wandering around wear resisting and rust proof to prolong the punch life Repeatable impact: the red adjustable impact cap can be increased or decreased striking force; The punch body has deeply knurled finger grip to achieve easy handling and better control by one hand Multi-use: automatic center hole punch is suitable for a variety of tasks, such as mark on materials, glass window breaker, awl for belts, mark and so on the punch tip can be removed for replacement or sharpening, easy and convenient to use. colour: SilverandRed Material: BrassandHSS size: 130mm x 28mm x 28mm Package Contents: 1 x Automatic center punch 2 x Hardened steel replacement point 1x protective case Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.