You're viewing caster SKU B-ALTH 125K-12 on CasterConnection.com. Made of pressed steel. Bolted wheel axle. Zinc-plated, blue-passivated, Cr6-free. Made of high-quality, reaction-injected polyurethane-elastomer Blickle Extrathane, low-noise operation, low rolling resistance, good floor preservation, very high abrasion resistance, high cut and tear propagation resistance, very good chemical connection with the wheel center.