LiftMaster Heavy Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Unfinished) Sold in pairs. Commercial Gates Can be installed in less

Can be installed in less than 3 hours

A 4"  Neptune post cap will slide over the top of a 4" x 4" post

rust-resistant for long-term use

Aluminum mounting channel for L50 Small and S50 Large Edge Profiles

You would also need 2 female hinges the same size as your gate frame and their bolts in order to mount it to the gate leaves (sold separately)

LiftMaster Heavy Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Unfinished) Sold in pairs. Commercial Gates Can be installed in lessLiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount, Both Sides (Unfinished) 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. Pair (2 per Box) 11. 4 lbs 5. 2kgs.