SE 744DF-R 150 Grit Diamond Needle File Set (10 Piece), 3mm x 140mm x 70mm Set includes: Round, Tapered Round, Half Round, Barrette, Crossing, Knife, Equaling, Warding, Square, and Three Square Length: 5-1/2" Diamond length: 2-3/4" Diamond grit: 150 Dipped handles for comfort and excellent grip when exposed to moisture or fluids