Rise height is 9" (203.2mm)
Base plate measures 4.25"x 4.25" (108mm x 108mm)
Base is pre-drilled with four 0.328" (8.33mm) corner holes
Steel shaft is 1" (25.4mm) in diameter at the base and 5/8" (15.9mm) at the top
Recommended for use with 336 series Work Station Mounts (sold separately)