550" over profile

especially in hard to maintain areas

harness and mounting hardware

Compatible with 811LM

This replacement expansion board is compatible with the following models: SL585UL

LiftMaster Heavy Duty Roller Cage Bearing Hinge - Flat Mount, Both Sides (Prime Coated) Sold in pairs. 4' Ornamental Steel Puppy Panel Flat Top 550" over profileLiftMaster Heavy 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 3,000 lbs. Sold in pairs. Pairs (2 per Box) 11. 4 lbs. 5. 2 kgs.