- Smooth and quiet operation and durable design - Built-in double row solid steel ball bearings deliver smooth, precise gliding with quiet, stable movement. - A rubber brake minimizes damage from collisions with drawer switches and absorbs shock, helping to extend service life. - Reliable, adjustable extendable rails - Type: 2 pieces in black, length options 250 mm or 300 mm. - Fully extendable telescopic ball bearing keyboard rails with adjustable suspension for flexible setup. - Easy installation and strong support - Four positioning screw holes allow quick alignment and installation. - Height can be adjusted to suit different requirements. - Widened bracket provides a strong load capacity and reduces the risk of coming loose. - Maximized space and full access - Full extraction drawer slides with a 3-fold structure enable the keyboard drawer to open and close fully, maximizing space utilization and allowing access to most interior contents. - Practical use scenarios - Home or office desk setups where a compact under-desk keyboard tray is needed to free workspace while maintaining smooth, quiet operation. - Industrial or technical workstations requiring sturdy, full-extension keyboard rails to support heavier keyboards with reliable suspension. - Medical or lab environments where quiet, stable, and easily adjustable keyboard mounting helps maintain a clean and efficient workstation. - Key attributes - Material and finish: black fully extendable telescopic rails with solid steel ball bearings. - Function: smooth gliding, quiet operation, adjustable suspension, full extraction for maximum accessibility. - Compatibility and size: two rails per set, available in 250 mm or 300 mm lengths, designed for keyboard drawer applications. - Performance: high stability, strong load capacity, long service life due to rubber brake and shock absorption features.