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The Chamberlain 8 ft. Chain-Drive Extension Kit is compatible with Chamberlain's chain drive garage door openers. It comes with a rail extension and replacement belt and can be used with garage doors up to 8 ft. high. Easy to install.
|Assembled Depth (in.)||1.80 in||Assembled Height (in.)||42.50 in|
|Assembled Width (in.)||1.80 in||Garage Door Part/Accessory Type||Extension Kits|
|Manufacturer Warranty||1 year||Product Weight (lb.)||5.8 lb|
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