For better durability with Bosch bi-metal with 8% cobalt alloy Improved progressive tooth bar that allows faster cuts For drilling holes in wood, drywall walls, plastics, metals, non-ferrous metals and stainless steel Suitable for all cordless and mains drills Diameter: 20, 22, 25, 32, 35, 40, 44, 51, 60, 68, 76mm
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Item# : SPM16371524124
Model # : 2608594193