Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust they are a reliable consumable

they are a reliable consumable for any jeweler's bench

this 1-gallon (4-liter) unit combines intuitive analog controls with powerful cleaning performance

Bent chain nose jaw design for angled access and precise grip

Includes standard-length key tip shaft and flexible neoprene sheath

Direct replacement roll for Economy and Super Economy Rolling Mills

Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust they are a reliable consumableThe 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