Full Extension Slide Drawers Low Noise & Smooth Slide & with Lock The cold-rolled steel drawer slides are capable of high hardness with excellent stability and durability. In addition, you will be benefited from the ultra-secure, well-suited, and low-noise device. A detailed guide and handy screws are also included. The universal places are cabinet warehouse containers, industrial drawers, commercial equipment, retrofitted vehicles, etc. key Features with Lock Function Inner slide, middle slide, and out slide are included. The extension drawer slide can be locked/ unlocked by gently pulling up/ down the locking handle. Quiet Design Details Nylon buffer can reduce the direct contact between the outer and the inner channel. The ball-bearing action can create a quiet environment while working. Cold Rolled Steel High-grade cold-rolled steel with the zinc-plated finish can effectively keep the drawer rails away from scratch, deformation, and rust. Right Size Table Please refer to the above guide for choosing the right size of drawer slides. The length of slides can't be longer than the cabinet case depth. Easy & Quick Assemble In the process of installation, it would be better to tighten the bolt between the slide and the drawer from outside to inside. The bolt between the drawer and cabinet should be fixed from inside to outside. Extensive Usage The side mount drawer slides are for various applications: goods shelf, cabinet, industrial used drawer, RV, truck, vending machine, etc. Specifications Model: VV-SJTTDGDS-40IN Color: Sliver Material: Cold Rolled Steel Finish: Zinc Plated Amount: 1 Pack(2 PCs) Load Capacity: 500 lbs/ 225 kg Fully Pull-Out Length: 80"/ 203.2 cm Fold Product Size: 40" x 3" x 0.75"/ 101.6 x 7.6 x 1.9 cm Inner Size (L x W): 40" x 1.2"/ 101.6 x 3 cm