Features: Heavy duty packouts aluminum corner rail brackets securely fasten toolboxes to packouts systems, eliminating slippage during transport with vibration resistant metal construction. Precisions crafted from rust resistant coated aluminum, these black corner clamps triple durability over standard steel and grip packouts rails for modulars accessory attachments. Ideal for contractors, mechanics, and DIY enthusiasts needing reliable tool box stabilization during frequent relocation on jobsites. Perfect for securing tool storage in high moisture environments like construction zones, workshops, or coastal projects where rust prevention is critical. Effortlessly installs in minutes using fixed screws to attach custom modules, accessories, or tool directly to packouts aluminum rails for organized workspaces efficiency. Specifications: Material: Aluminum Alloy Size:Approx.37mm/1.46''x35mm/1.38'' Package Includes: 1Pair Rail Clip note: Size:Approx.37mm/1.46''x35mm/1.38''