XiKe 10 Pack Blue 2" Nylon Garage Door Roller 4" Stem, Quiet/Durable and High Load, Use 6200-2RS Double Seals Precision Bearings.

Benefit - Effectively reduce more than 80% noise and durable., Bearing - 6200-2RS precision bearing Smooth rotation and high load., Seals - Excellent performance prevents dust and moisture from entering., Guarantee - No reason to return or refund for 3 years, don't worry about buying., Expert - Professional bearing manufacturing began in 1945.