Features:-Adopting advanced spring-loaded design, it can automatically adjust the height and open/close the door freely.-Made of high-quality PU material and galvanized alloy, it is rust-resistant and corrosion-resistant, sturdy and durable, with a maximum load capacity of 60 kg.-With a shock-absorbing effect, it promotes smooth operation when rolling on uneven or rough surfaces, reducing friction with the ground and noise.-The roller features 4 holes for easy horizontal or vertical rail mounting for a perfect fit.-Can be used for garden doors, entrance gates, courtyard fences, revolving doors, sliding doors, storage racks, trolleys, flight cases, tool boxes, speakers, cabinets, amplifiers, equipment carriers, various furniture, etc.Specification:Material: P.
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