The best tire groover for race tires, truck tires, industrial tires and other rubber items. The patented design of the Van Alstine G1000HL tire groover glides over the tire surface easily. The G-1000 tire groover is able to cut large grooves up to 1″ wide, offers 8 power settings, allows for instant blade changing and adjustment, cuts with less heat and gives you unmatched controlled when grooving a tire. The comfort grip & the instant on gets you grooving tires quickly. Since it cuts tires with less heat, it also prevents unwanted heat degradation to the tire surface. This kit includes everything you see along with blades. Kit includes 2 blades of the #4, #6, #8 and #10. Additional blade sizes are sold separately.