★Welcome to our store! Our products have passed strict quality inspections and have reached our highest level of mechanical performance. Our store solemnly promises that we will continue to provide customers with high-quality services! Please rest assured to buy!★ ● Product features: √ New locking design.You need to press the blue button to open or close the drawer. It will lock when full extension or closed. That can keep your drawer stable and safe. √ Double row ball bearings made of solid steel can ensure smooth and quiet opening and closing actions. √ Made of cold rolled steel, high strength, durable,not easy to break and corrosion, the end is equipped with anti-collision rubber pads to avoid collision and damage to the slide rail. ● Product specifications: Closed length: 250mm/10in,300mm/12in,350mm/14in,400mm/16in,450mm/18in,500mm/20in,550mm/22in,600mm/24in,650mm/26in,700mm/28in,750mm/30in,800mm/32in,850mm/34in,900mm/36in,950mm/38in,1000mm/40in,1050mm/42in,1100mm/44in,1150mm/46in,1200mm/48in,1250mm/50in,1300mm/52in,1350mm/54in,1400mm/56in,1450mm/58in,1500mm/60in ● Heavy Duty:10in-18in:Up to 260lb/pair max capacity load. ● Finish: Cold rolled steel ● Installation method: side installation ● Package Includes:1 pair drawer slide,Adjustable Locking Device. Attention: the mounting brackets and screws are not included. ● Guarantee: If there is any problem with the drawer slide, please feel free to contact us, we will definitely help you solve the problem.