53mm heavy duty locking ball bearing fulll extension drawer slide

• Ball bearing 

Steel balls one hundred level high quality make sure small tolerance,no rust and no shaking

• Ultra smooth gliding motion with high rigidity and stability design.
  

Stretch with fast response capability,close any drawer softly and silently.

• Thickened by 2.0mm

Bear a load of about 100 kilograms, making it solid and durable. Strong and wear-resistant

• With lock
  

Prevent drawer open casually,make sure safety.