Concrete drill bits 4-10 mm, set of 5 pcs., butterfly tip

Concrete drill bits, diameters 4, 5, 6, 8, 10 mm, butterfly-shaped tip made of sintered carbide, cylindrical shank, working lengths: 4: 40 mm, 5: 40 mm, 6: 60 mm, 8: 80 mm, 10: 80 mm, total lengths: 4: 75 mm, 5: 100 mm, 6: 100 mm, 8: 120 mm, 10: 80 mm