WORKPRO Masonry Drill Bit Set Hammer Drill Bit 15Pcs with Case for Concrete
High hardness alloy head increases sharpness and wear resistance, greatly improves drilling performance. Masonry drill bits (3mm x 60mm x 3pcs, 4mm x 75mm x 3pcs, 5mm x 85mm x 3pcs, 6mm x 100mm x 2pcs, 8mm x 120mm x 2pcs, 10mm x 120mm x 2pcs).