Introducing a new concept in mount support... The iOptron Tri-Pier (8034) combines the strength and stableness of a pier with the levelling flexibility of a tripod. Aluminum pier and leg tops. Stainless steel leg extensions. The Tri-Pier feet has built-in vibration suspension pads. The Tri-pier fits these iOptron mounts (may need extra mounting accessories): CEM70 CEM40 GEM45(may limit low latitude application) CEM60/CEM60EC iEQ45/iEQ45 Pro iEQ30/iEQ30 Pro (may limit low latitude application) AZ Mount Pro/MiniTower/MiniTower II/MiniTower Pro (needs a center post and three levelling screws #8340-PIER) The Tri-pier also fits other brand mounts with a suitable adapter. Please note: Mount is not included. Specifications Max Payload 220 lbs (100 kg) Self Weight ~25.8 lbs (11.7 kg) Pier Diameter 5.7" (144 mm) with 150mm top plate Adjustable Height 31.5"-42.5" (800-1080 mm) Uneven Ground Range 3.35" (85 mm) Leg Maximum Spread Ø48.8" (Ø1240 mm) Pier Dimension (folded) Ø12.8"x 26” (Ø325 x 660 mm) Warranty One year limited