Features adjustable spring loaded design for variable impact strength and hardened tip for long service life One handed operation, simply adjust to desired spring tension, press firmly against work piece for automatic centre punch One-handed operation makes accurate marks without the need for a hammer Manufactured in industrial black and chrome finish with knurled body for extra grip Can be used for vehicle emergencies as a side window rescue glass breaking tool Colour: black+silver Material: high-speed steel Size: 7.5 x 1.5 x 1.5cm Package Contents: 2 x Centre Punch Only the above package content, other products are not included. Note: Light shooting 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.