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Amazon.com: Diablo DMAMX1180 7/8 in. x 16 in. x 21 in. Rebar Demon™ SDS-Max 4-Cutter Full Carbide Head Hammer Bit : Tools & Home Improvement
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Bosch 7/8 in. x 8 in. x 13 in. SDS-MAX Speed-X Carbide Rotary Hammer Drill Bit for Concrete Drilling HC5040 - The Home Depot
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