SUPPORT WHEEL PLUS Ø 48 mm, max 150 kg High quality corrosion protection. Hot-dip galvanizing in high layer thickness up to 70 μm. The abrasion of the zinc coating, when adjusting the height via the clamp, is therefore not critical. The structure of the zinc coating is flowery. Extended Compare prices from: Al-ko in Camper & Caravan Accessories and Equipment