• ---The garage door roller is made of reinforced nylon material with a lifespan of 100,000 cycles and 6200ZZ sealed bearing isolation of more than 99% dust.
• ---High-quality galvanized hinges and top brackets are very resistant to rust，Cable 7'height 1/8 thickness.
• ---Complete maintenance kits, convenient all-in-one packaging to meet all needs.
• ----The garage door kit can match most residential garage doors up to 7 feet in height, making the old door run quieter and more stable.
• ---Professional garage door opener and hardware manufacturers have a history of more than 20 years, guaranteeing free replacement for 3 years or refund without reason, no need to worry about buying.