20mm-1.5 x 23mm Zinc Extra Spindle & Axle Nuts (2 pcs.)

Diameter: 20mm
Diameter 2: 33mm
Length: 23mm
Material: Steel
Finish: Yellow Zinc
Thread Size: 1.5mm (Extra Fine)
Type: Spindle Nut
Specifications: Dorman #615-145
Application: Spindles|Axles
Diameter 3: 43mm

Box of 2.

A spindle or axle nut is used when the axle is threaded and protrudes past the edges of the frame.