... can be used with reciprocating pneumatic tool and pneumatic grinder, high quality Diamond Flat File used in MachineMain features: The product can be ... : 150 # 200 # 300 # 400 # ,3 * 70 * 25,12pcs/ packFine Diamond flat file, with the tool can be used on the parts ... , polishing. Suitable for reciprocating pneumatic tools or electric reciprocating line. high quality Diamond Flat File used to grind