Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust Oxygen connection: 5/8" 18-RH

Oxygen connection: 5/8" 18-RH

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

they are a reliable consumable for any jeweler's bench

415 knife edge (lens) profile for narrow

The Fretz M-104 Large Concave Stake is a precision forming tool designed to create gentle concave curves on narrow bracelets up to 1" (25mm) wide

Otto Frei–BORE Jewelers Drill Bit Basic Kit with 150 HSS Twist Drills Sizes #51–#80 Prop 65 - Leather Dust Oxygen connection: 5/8" 18-RHThe 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