Features:Lasts up to 1.5x longer than a Bosch SDS plus-1 Drill BitLong Life drilling in reinforced concrete4-flute design for efficient dust reduction and smooth drilling performance.High-quality tungsten carbide ensures strength and durability when workng with tough materials.4-cutter head doesn't jam or break when you hit rebar, ensuring a long accessory life.Fits all SDS plus rotary hammersReinforced concrete is a common material in infrastructure, commercial and domestic construction, and workers such as electricians, plumbers or HVAC installers often need to drill into it. PRO SDS plus-5X Hammer Drill Bits are designed for this tough task, with a hardy 4-cutter design that doesn't jam or break when you hit rebar.Made from an embedded cross of high-quality tungsten carbide, the PRO SDS plus-5X's 4-cutter head offers convenience to professionals who need to drill accurate holes in reinforced concrete. The masonry drill bit has 4 flutes channeling the dust away from the impact point and ensuring effective and long-lasting performance.