Check the listing for details. SDS-Plus Rotary Hammer Drill Bit 30Pcs 1/4"x6" Carbide Drill Stone Mason Bricks. Color: GREY, Condition: New. Listed at 59.99 USD. ✅Drill Bits Size: 1/4" (Diameter) x 6" ( Overall Length) ✅Quantity/Package: 60 Pcs in a Package. ✅Material: Premium High Grade Carbide Tipped for Cutting Point for best fast penetrating multiple material, such as Mason, Stone, Hard Bricks and Rocks, Concrete.. ✅Cutitng Point: The 130 deg. cutting point to enable easy cutting and best self- centering without walking off. ✅Flute Design: 4 Flutes parabolic flute design to ensure the quick and easy chips removal. ✅Manufacturing Process: Precision ground points, flutes, body, clearance and drill diameter for ultimate in accuracy and peroformance. Ground flutes provides fast chips removal to maximize accuracy and efficiently along the full working surface of the bit.