Lockable Protection & Multi-Use: Designed with a carabiner, the slide can be locked or unlocked with a swing handle and can be locked in both the closed and fully open positions to prevent slippage and ensure cargo security. It meets various household needs, such as heavy-duty drawer slides, shelves, industrial drawers, toolboxes, RVs, trucks, etc. Full Extension & Stable: The drawer slide's extended length is equal to its closed length. Made of Q235 cold-rolled steel with a tensile strength of 400 MPa. Thickness: 2mm, 3.3 times that of a standard slide; Load: 120kg (265 LB), 4.4 times that of a standard slide. Rustproof & Durable: The surface is treated with high-quality galvanized blue zinc to prevent direct contact with air and improve resistance to oxidation and corrosion. Rubber pads reduce closing force on the drawer. Strong ball bearings ensure quiet, frictionless movement. Installation Guide: Suitable for product length = cabinet depth. Mounting space to the left of the drawer: 0.75 inches (19mm), mounting space to the right: 0.75 inches (19mm). Note: Screws are not included due to varying application scenarios. You can purchase M5 screws separately. Steel Ball Bearings: High-density 6mm solid steel balls, loaded and pulled more than... Quiet and smooth, durable use. Locked Design: Lock available when fully open and closed. Prevents slippage. Simple and secure control. Fixing: Load Capacity: Maximum load is 120kg Material Thickness: Premium quality steel sheet: Thickness: 2mm Cold-rolled steel Q235