Diameter: 12mm
Diameter 2: 22mm
Length: 31mm
Material: Steel
Finish: Yellow Zinc
Driver Type: #19 Wrench
Thread Size: 1.5mm (Fine)
Style: Dual Thread
Type: Wheel Lug Nut
Diameter 3: 24mm

Box of 3.

A lug nut is used to secure a wheel on a vehicle.