Steel Bur 256# Concave cutter:

Model No.: HJ-SB10

Specifications

Standard 2.35 mm (3/32") shank. 

Extremely accurate and sharp. Very economical for stone setters and jewellers and carvers. 

Steel Bur 256# Concave cutter

NO.:009,010,012,013,014

NO.:015,016,017,018,021,023

NO.:025,027,029