Sliding door roller for side hung usage A type, for wooden door usage, two doors fitting 1. Wheel materail:nylon#6+bearing2. Body materail: iron3. Load weight:30kg4. Surface treating of metal: Blue zinc plated5.For two doors fitting, one out door and one inner door.6.With...

function: two door open and close at the same time and same level. It run smoothly. 1. synchro function which two door open and close at the same time2. suspending type from the top part3. round wheel shape4. Roller body part in zinc alloy materail5. Metal blue zinc plated.6. With...