The new updated Road Mountain Cycling parts are made of Steel 1045, the quick release are made of alum, durable and practical for most bikes.
Usually the axels fit 20" 22" 24" 26" 28" bike, work on a 6 7 8 speed road bike, durable and extra hard dustproof cap, the thickness: 65 degrees, 2.4mm / 0.09inch. (the important measurement is the axle diameter and length. Measure your axles and compare with the measurements in the description, thank you ! )
The long release lever for the rear wheel, hollow shaft size: approx. 5.7", diameter: approx. 0.35", quick release: approx. 7.48"
The short release lever for front wheel, hollow shaft size: approx. 4.33", quick release: approx. 6.3"
The quick release skewer weight: approx. 270g / 9.2oz, color: black