Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust and flat sheet into concave

and flat sheet into concave shapes with diameters of two inches and up

Includes standard-length key tip shaft and flexible neoprene sheath

415 knife edge (lens) profile for narrow

this system diverts suction from idle workstations to active ones — maximizing collection power exactly where it's needed

Bent chain nose jaw design for angled access and precise grip

Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust and flat sheet into concaveThe Otto FreiBORE Jewelers Drill Bit Basic Kit combines the precision of HSS twist drills with the smart organization of the BORE drill holder by Nashef Designs. This complete master kit includes 150 HSS twist drills in sizes #51 through #80, neatly arranged in a 3D printed organizer with labeled compartments and a clear viewing window. Compact and thoughtfully engineered, it keeps your most frequently used micro drill sizes visible, protected, and