Ambient Weather EZ-NPP Tripod and Mast Assembly with Platform Dimensions (LxWxH): 34.5 x 28.5 x 66". Ideal for most weather stations, including Davis Instruments and Ambient Weather Stations. Add up to two mast extensions (see below, EZ-125-35M) to extend the height of 31" per mast extension. Tripod height 20 inches. Supplied with one mast for an assembly height of approx. 66" inches. Mast collars feature a captive "stop-nut" design, to eliminate lock nut spin when tightened; and a mast supporting cup for additional stability. Ungalvanized mast collars, & connecting components are gold irridited for corrosion protection.