Chamfer, E-Z, Complete with 3 Square Carbide Inserts 90 Deg., Martindale Electric, Mfr#: SLSC74KIT

Specially ground 4 cornered carbide insert chamfers copper on both sides of commutator slots after undercutting. Flat sides of the insert can be used for scraping, deburring and chamfering corners on many parts. When insert is dull on all cutting edges, it is easily replaced. Kit includes 3 square inserts.