Tire grooving and siper kit is great for grooving, cutting and siping tires of all sizes, Heads are made from solid brass for optimal heat transfer, Includes the following heads: (1) #3 (5/32"), (1) #4 (7/32"), (1) #5 (9/32"), (1) #6 (3/8"), (1) #8 (1/2"), and (1) 6-blade siper head, Includes 12 hardened steel blades for each size grooving iron tool head in the kit with replacement blades available, Stainless steel blade retaining hardware holds blade depth measurement setting.
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