Lock Nut Finish Zinc Plated Hex Height 21 mm Hex Type 2-Piece Wedge Hex Width 24 mm Lock Type 2-Piece Wedge Material Steel Material Grade/Class Class 10 Pack Size Small Pack Rockwell Hardness HRC30-34 System of Measurement Metric Thread Direction Right Hand Thread Pitch 2 mm Thread Size M16-2 Package Quantity 50