AdirPro Prism Pole Tripod (Yellow) Equivalent to Northwest Instrument NTP12, CST Berger 67-4250, Seco 5218-02 Aluminum frame, Side-entry thumb screw head, Choice of colors Fits 1 to 1.25-inch diameter poles from the side or 1.5-inch poles through the top Legs extend up to 6 feet and collapses to 3.5 feet, Replaceable, pointed feet with spurs Quick release clamps, Impact resistant