1. Material: cold-rolled steel + nylon 2. Scope of application: closet door, sliding door 3. Smooth bearing, easy to move 4. Top wheel top shaft can realize positioning and sliding 5. PA plastic pulley, quiet and durable 6. Assembled with limiters, play the role of buffer and close the door 7. Thickened cold rolled steel plate, good load bearing performance, more practical 8. Size: 85 x 45mm 9. Weight: 130g
