How many do you need

Rust resistance

Meets UL 325 Safety Standards

Install a bar at every corner

Complete kit includes: (4) U-Bolts and hardware for 3' pipe to post-mount the operator

LiftMaster Std. Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Prime Coated) Sold in pairs. Proximity Reader How many do you needLiftMaster Std. Duty Roller Cage Bearing Hinge Flat Mount, Both Sides (Prime Coated) 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 1,000 lbs. per pair. Sold in pairs. Pair (2 per Box) 4. 8 lbs. 2. 2 kgs.