Style: OE/Factory Mag Style Nut with Washer 
Thread Size: 12mm x 1.5 or 12x1.5 or M12x1.5 
Seat Type: Flat Mag Style 
Hex/Wrench Size: 13/16"/21mm 
Length: 1.50" 
Width: 1.18" 
Construction: Through-Hardened Steel 
Material: SCM 435 Steel (Heat Treated) 
Finish: Chrome Plated