Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm Pegas Enables palm-pressure control of the

Enables palm-pressure control of the GRS Magnum handpiece

The Fretz PrecisionSmith line represents the finest in small-scale metalsmithing tools

These models cannot use filters from other Gold Vault models

one for 45°

Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm Pegas Enables palm-pressure control of theThese 90 degree hart burs are precision steel burs for cutting, opening, and refining angular seats and details in jewelry work. At the bench, they feel crisp and controlled where a clean edge matters. Manufactured by Busch to ultra high precision tolerances, Fig. 156C hart burs are a reliable choice for stone setting, seat preparation, and fine detail work across a broad range of sizes. Features 90 degree hart bur profile for precise angular cutting