The Mini series is perfect for getting those tiny bits you just can’t reach! They are small but they sure are mighty! “Sweet-Pea” •Diamond bit •Step two or three piece •Medium grade •Perfect for getting the tiny white protein from within the side walls or small area of cuticle which needs a more refined piece. To be used after the larger balls.•Fits all Efile Machines •Tungsten Steel•3/32” width