Surpass 2'' Ultra-Quiet Nylon Garage Door Rollers, 6200 Bearing and 7'' stem Rotate Quiet and Durable, Reuse More Than 100,000 Cycles (10 Pack)

6200 Bearing, Isolation of more than 99% dust, and running more than 100000 cycles The wheels of garage door rollers are made from Enhanced Nylon, Rotating quietly and smoothly is beyond your expectations. 3 years free replacement or refund no reason, do not worry about the after sales service The dimension of garage door roller can match the vast majority residential garage door Professional garage door opener and hardware producer over 20 years.