FeaturesStrongest tooth in the industryRip Guard™ the strongest tooth form in the industryRip Guard™ limited lifetime tooth break warranty plug Jack™ an all access slot design for fast plug removalBi-metal construction with 8% cobalt for increased wear resistanceApplicable on mild steel, stainless steel, nail embedded wood, plastic, duct, pipe, tube and non-ferrous metalsIce Hardened™ cryogenically treated for up to 50 PCT longer lifeOptimized tooth form for up to 2X faster cuttingRoom for additional hole saw and arbor storageWide, angled and offset slots for easy plug accessStorage space for one (1) 12 in extension or (2) 6 in extensions