Features: Features adjustable spring loaded design for variable impacts 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 chromes finish with knurled body for extra grip Can be used for vehicle emergencies as a side window rescues glass breaking tool Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Size: 15.5*4.5*4.5cm Material: brass chromes vanadium steel Punch size: 6 inches and 5 inches Type: Automatic center punching Package List: 2x Drill