Galvanized heavy steel

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LiftMaster Std. Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Prime Coated) Sold in pairs. Proximity Reader Galvanized heavy steelLiftMaster 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.