The ultimate tire cutting kit. Now you can sharpen your knobby’s and groove your tires for custom tread patterns all with one tool. This kit includes a Tire Sniping cutting head, 10 replacement blades and our specially designed heated carbide cutting blade used on the original Tread Doctor™ With the Tread Doctor Sniper Kit you can sharpen your knobby’s with the cutting blade and then change heads to snipe your tire for the ultimate custom traction knobby design.