SE 731NF-D 12-Piece Fine Cut Needle File Set in Assorted Shapes with Dipped Handles (3mm x 140mm) Shapes include: round (x2), equaling (x2), tapered round, half round, barette, crossing, knife, warding, square, and three square Dimensions: 5-1/2 x 3mm Bearing hardened steel material Highly resistant to corrosion for longer life than standard files Fine teeth cut with plastic dipped handles for comfort and traction