LiftMaster Std. Duty Roller Cage Bearing Hinge - Round Mount, Both Sides (Corrosion Protected-Zinc) Sold in pairs. Colored Vinyl Chain Link Fittings Includes a 600 mAh battery

Includes a 600 mAh battery and female accessory connection

Largest Weld Surface in the Industry

Fits 2-1/2” gate posts

easy to install

K77-37857 is a "Gray" Cover Replacement Kit

LiftMaster Std. Duty Roller Cage Bearing Hinge - Round Mount, Both Sides (Corrosion Protected-Zinc) Sold in pairs. Colored Vinyl Chain Link Fittings Includes a 600 mAh batteryLiftMaster Std. Duty Roller Cage Bearing Hinge Round 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 1,000 lbs. per pair. Sold in pairs. Pair (2 per Box) 5. 0 lbs. 2. 2 kgs.