PE2957 Features: * Extension column * Easy installation * Offers unobtrusive cable management * Notched adjustment design enables easy height adjustment and position locking * 11.5 NPT - both ends * Treated with Agion brand antimicrobial to inhibit the growth of bacteria, mold and fungus on the surface of products * For various flat-panel mounts, projector mounts and ceiling plate accessories * Height adjustment at 1" increments * Security hardware is not included * Weight capacity: 500 lbs Construction: * Light-weight aluminum construction Dimensions: * Product weight: 11.4 lbs