These are high-quality Stainless Steel Quick Release wheelchair axles. They have a large black button with Reckless Wheelchairs and Wheelchair Bearings logo.
Specifications:
Length: Three Sizes, 4", 4 1/4", 4 1/2", and 4 3/4" long
Axle Size: 1/2"
Material: Stainless Steel
Button Size: Large
Button Color: Black
Logo: Reckless Wheelchair, Wheelchair Bearings
Hub and wheel are not included