Lock Nut Color Silver Finish Zinc Plated Hex Height 7/8 in Hex Type Standard Hex Top Lock Hex Width 2 1/4 in Insert Material Steel Lock Type Top Lock Distorted Thread Made in North America No Manufacturer Location Globally Sourced Material Steel Material Grade/Class Grade C Material Quality Standards IFI-100/107 Pack Size Small Pack REACH Compliant Yes Removable No Resistance Properties Corrosion Resistant Rockwell Hardness HRC 26/36 RoHS Compliant Yes