AFTER-SALES GUARANTEE: One-year warranty, only replacement but not repair. Click on the order to contact us, and we will answer any questions within 24 hours. INSTALLATION INSTRUCTIONS: Compatible with tables less than 1.3 inches thick. The effective installation depth of the table needs to be 2'' or more, and the arc-shaped table is not suitable for installation. MATERIAL: This desk organizer is made of steel for super durability. Load capacity: 11 lbs. SIZE: 13.8'' x 5.3'' x 4.7'', and the volume is 1.5 gallons, which can hold many sockets or wires. NO NEED TO DRILL, BUT STRONGER——Fix the under-desk cable tray with the clamp-clip and tighten it, 3s to complete. The important thing is that it doesn't damage your table.