The AKA Pro Multi-Tip Tire Punch is used for for punching vent holes in tires from 1:10 all the way to 1:5 scale. It features six forged steel tips: 2.5mm / 3.0mm / 3.5mm / 4.0mm / 4.5mm / 5.0mm. AKA's Tire Punch is constructed of high-strength-steel which is powder-coated black to help withstand the abuse at the track and help protect against rust. A spring loaded comfort handle for ease of use and locking lever for protection when not in use.