Color Silver Material Alloy Steel Brand homdiy Finish Type Zinc Plated Mounting Type Side Mount About this item Premium Quantity Material: Homdiy drawer slides are made of high grade cold-rolled steel with zinc plated finish, heavy-duty and durable, load-bearing. Solid ball bearing ensure sooth opening and closing, good load capacity can serve you many years. Bottom Mount Drawer Slides: Homdiy center mount drawer slides with rear adjustable bracket ensures optimal stability and weight distribution, even under heavy loads, for smooth drawer sliding. Measurements: Length: 20inch(508mm); Maximum length of full Extension: 35inch(892mm); Width:1.37inch(35mm); Thickness: 0.39inch(10mm); Load-bearing capacity: 50 LB. Please choose the right size before you purchase our heavy duty drawer slides. Easy Installation: The product comes with detailed installation instructions to help you install easily. Suitable for diy projects.