Available in 3,4,5,6,8,10,12,14,16 sizes, These flat bottom grooving blades are sold in packs of 12, Will work with the Van Alstine V100 (910-82053) grooving iron.
Van Alstine Mfg VR1 Van Alstine V100 Round Bottom Grooving Blades
Van Alstine Mfg VF8 Van Alstine V100 Flat Bottom Grooving Blades
Van Alstine Deluxe Flat Bottom Cutting/Tire Groover Blades, 5, 5/32
Van Alstine Deluxe Flat Bottom Cutting/Tire Groover Blades, 8, 1/4
Van Alstine S-100 Heated Electric Race Racing Tire Siper Hand Tool