Busch Fig 156C Hart 90 Degree Burs Kit of 31 Pieces-0.70mm to 4.0mm Quatro Effective on common shop soils

Effective on common shop soils and compatible with a wide range of metals used in jewelry fabrication and plating lines

this buff offers excellent durability and consistent compound retention throughout use

Generally safe for gold

USA sizes 1–16 in half sizes

Busch Fig 156C Hart 90 Degree Burs Kit of 31 Pieces-0.70mm to 4.0mm Quatro Effective on common shop soilsBusch 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