Carbide e-file drill bit made from 100% Tungsten Steel giving long life consistent filing you can rely on. Drill bit range for wide application: Gel Polish, Acrylic nails, Polygel, BIAB Left or right handed us. Standard shaft diameter (3/32″), will fit all standard sized nail e-file drills. Point shape Grade Flat top allowing for closer more accurate filing (not recommended for beginners) Standard 3/32″ shaft diameter fits all e-file machines
