Two equal surfaces, tapered to knife point. For filing and deburring narrow grooves, slits and gear-teeth. Used principally by tool and die makers on work having acute angles. Manufactured to BS 498 : 1990 and American Federal Standard GGG-f-325b.
99/385 Moo 6, Mitsumphan Road,
Banpuk, Muang, Chonburi, Thailand