The Atrix 31257 ESD Safe Rubber Flexible Neck Nozzle (also known as gooseneck tool) consists of a thermoplastic polyolefin elastomer tube and a carbon impregnated polypropylene cuff. Overall length: 13". Tube: .63" O.D., .45" I.D. Cuff: 1.38" O.D., 1.23" I.D. This tool is compatible with Atrix Omega, Express and High-Capacity series vacuums.