... . Durability and reliability3. 4 wheels, 6 wheels, 8 wheels, 12 wheels are available4. Easy to install Available for: All kinds ... of wooden sliding doorsCharacter: The high speed axletree is made in Jpan ,silently and glidinglyMaterial: 304-210 ... stainless steel hanging wheelOffered: 4 wheels, 6 wheels ,8 wheels, 12 wheels are available.Weight bearing: 180 kgPacking: A pair into ...