Bosch Impact Tough 7-Piece High-Speed Steel Masonry Drill Bit for Hammer Drill Air Jetted Bathtubs Polystyrene core provides long-lasting insulation

Polystyrene core provides long-lasting insulation

Durable Construction: All-metal handles and Limited Lifetime Warranty

Healthy Home Certified: GREENGUARD Gold and phthalate-free construction for better indoor air quality

finished appearance

Bosch Impact Tough 7-Piece High-Speed Steel Masonry Drill Bit for Hammer Drill Air Jetted Bathtubs Polystyrene core provides long-lasting insulationCarbide tipped masonry bit with upgraded hex shank design engineered to provide long bit life and fast material removal Asymmetric diamond ground carbide tip allows for fast drilling and longer bit life Upgraded hex shank allows use in impact drivers and hammer drill drivers for added versatility Exclusive Bosch made carbide delivers outstanding durability under heavy loads Set contents: (1) 1 8 in x 3 in, (2) 5 32 in x 6 in, (2) 3 16 in x 6 in, (1) 1