• Brand New Chamberlain 7 ft garage door Toothed Belt 001A7904-2
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• NOTE:  41AB050-2 Garage Door Opener Drive Belt which use SQUARE guide rail has a total length of 237",
•  ONLY for 7FT high garage door opener! One end L-shaped hook, the other flat plate with center hole
• . Before purchasing, you MUST meet ALL the following conditions:
•  1.your garage door height is 7FT high,
•  2.original old belt length is 237", 
• 3.belt end clip style is L-Hook End,
•  4.your garage door opener use SQUARE guide rail. NOT UNIVERSAL PRODUCT!