The iOptron Tri-Pier combines the strength and stableness of a pier with the levelling flexibility of a tripod. Aluminium 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): CEM70A/CEM70AG CEM60/CEM60EC CEM40/CEM40EC GEM45/GEM45EC (may limit low latitude application) 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 leveling screws #8340-PIER) The Tri-pier also fits other brand mounts with a suitable adapter. Specifications Max payload 100 kg (220 lbs) Pier weight 11.7 kg (25.8 lbs) Pier diameter 144 mm with 150 mm top plate Adjustable height 800 - 1080 mm Uneven ground range 85 mm Leg maximum spread Ø 1240 mm Pier dimensions (folded) Ø 325 x 660 mm Warranty One year limited SKU IO-8034 Downloads Assembly instructions