Atoplee 13pcs 1/8" Shank Wool Felt Polishing Buffing Wheels Bits Shank diameter 3MM Length:approx 45mm Shape: trapezoid, umbrella, cylindrical, bullet, sharp triangular pyramid, oval, spherical, conical tip, the cylindrical tip, the cylindrical round, flat cylindricalas pics Package Included:13pcs small wool polishing rod