Busch Fig 156C Hart 90 Degree Burs Kit of 31 Pieces-0.70mm to 4.0mm Lab Created / Assembled Faceted Gemstones Reversible hook face — flip

Reversible hook face — flip over as the working surface wears for extended use

0 mm with through-holes Sold As Individually Brand Durston Available Options

Hybrid setup pairs a small torch body with an adapter and N-series tips for fine to medium flame sizes in one kit

and lot-numbered

Busch Fig 156C Hart 90 Degree Burs Kit of 31 Pieces-0.70mm to 4.0mm Lab Created / Assembled Faceted Gemstones Reversible hook face — flipBusch Fig. 156C (European Fig. 414) 90 hart burs are among the most widely used bearing and seat cutting burs in professional jewelry work. This comprehensive kit includes one bur in each size from 0. 70 mm through 4. 00 mm, providing precise, uniform cutting performance across a broad range of stone setting applications. Features Complete size range from 0. 70 mm to 4. 00 mm 90 hart (bearing cutter) profile for accurate seat cutting Made from