wheel lock bolt Part No.:72501 50mm long bolt, 24.5mm long nut, 13/16" hexStainless Steelcover * Specially formulated corrosion protection is applied to our chrome plated fasteners to meet more than 72 hours' salt spray testing. * Several kinds of packages can be selected, such as double blister (clamshell) , cardboard box, head card, plastic box, foam box or brown paper.