door hanger pulley is engineered to withstand heavy usage and harsh conditions. Its robust construction and precision ball bearings ensure that it can handle the constant opening and closing of elevator doors without compromising performance. This pulley is compatible with various elevator models, making it a versatile choice for maintenance and repair. By using this pulley, you can extend the lifespan of your elevator doors and reduce the need for frequent replacements. Features -Color:White -Material:Plastic -Size:8.50X8.50X2.00cm/3.34X3.34X0.79in -Reliable performance: provides durable and dependable performance, ensuring the continuous smooth operation of elevator doors -Userfriendly design: the precise dimensions of the pulley wheel facilitate easy and straightforward installation on various elevator door models -Quiet operation: the single groove design effectively reduces friction and noise, creating a more pleasant and quiet elevator experience -Robust bearing: the bearing offers loadbearing capacity, enhancing the stability and safety of door -Elevatorspecific: designed specifically for elevator doors, with testing and quality control to ensure high reliability and longevity Package list: 1 x elevator accessory