CABLE DRUM - Drum Set Designed for Garage Doors with Maximum Height of 8' (can be used on 7' door). This Drum Can Safely Support Doors Weighing Up to 530lbs. SIZE - Cable Maximum Size 1/8". Compatible with Standard-Lift Overhead-Type Garage Doors. PAIR - Garage door drums are sold in pairs, consisting of one right and one left drum. DURABLE - Crafted from durable die-cast aluminum alloy. EASY TO INSTALL - Each drum features 2 set screws for a secure and snug fit.

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