Fitment： Universal installation is suitable for all axle bolted hubs (5, 6 and 8 lug hubs) Description： 【Function】：Without damaging the shaft, quickly and safely remove the hub assembly 【Easy to Operate】：Mounts to studs using supplied flange nuts，Use with 5 lbs hammer to knock frozen hubs out of axles， saved alot of time and energy. 【Material】：Made of high-quality high-strength steel, and the surface is treated with black anodic oxidation, which is anti-corrosion, anti-impact, strong and durable. The bottom is made of high-quality 3/4″ steel back plate and reinforced percussion plate, long service life .