The Workrite Ergonomics 920-FL 920 Series Fixed Mount Locking CPU Holder includes an adjustable bottom bracket with keyed locks and tamper resistant screws for track mount. It has a stylish modular design and a sturdy steel construction that uses 30% less material. This holder will hold CPU's up to 75 lb. and has height adjustments in 0.75" increments. It also features a 16" track that allows for a 10" travel and 360° swivel for easy access to the rear of the CPU and under-desk storage. The 920-FL product is 96% recyclable at the end of life and easy to disassemble. It also has a lifetime warranty.