Universal compatibility

Innovative new teeth design provide greater protection but safer operation

This roller is long lasting and moves fluidly

Fits 1-5/8" and 2" post

LiftMaster Heavy Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Corrosion Protected-Zinc) Sold in pairs. Residential Black Chain Link Universal compatibilityLiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount, Both Sides (Corrosion Protected Zinc) Heavy Duty Construction for Maximum Durability Dependable Roller Cage Bearing Design Even Weight Distribution Five Times The Weight Bearing Surface of the Nearest Large Hinge Largest Weld Surface in the Industry Easy to Fully Lubricate Specifications: Maximum Gate Weight: Up to 3,000 lbs. per pair. Sold in pairs. Pairs.(2 per Box) 11. 6 lbs. 5. 2 kgs.