Grooved Center Column prevents unwanted column rotation, Non Rotating Leg Sections offer quick and easy setup, Dust and Moisture Resistant Rubber Grip Leg Locks ensure a positive lock in any condition, Reversible Center Column allows low angle shooting, Adjustable Angle Leg Locks accommodate uneven surfaces and awkward shooting situations, Reversible Tripod Head Mounting Screw assures compatibility with virtually any tripod head, Built in Bubble Level allows adjustment to prevent uneven pans and tripod head movements, Spring Loaded Weight Hook allows additional weight mounting stability during windy conditions, Closed Cell Foam Grip provides comfortable handling during cold or hot outdoor conditions, Tripod Head Set Screws add mounting security for tripod heads. General Load Capacity 8.8 lbs (4 kg) Head Attachment Fitting Dual 3/8"" & 1/4""-20 Maximum Height 55.4"" (140.6 cm) Maximum Height w/o Column Extended 46.4"" (117.8 cm) Minimum Height 12.9"" (32.7 cm) Folded Length 20.5"" (52.1 cm) Weight 2.3 lbs (1.0 kg) Legs Material 8x Carbon fiber Leg Stages/Sections 2/3 Leg Lock Type Twist locks Independent Leg Spread Yes Spiked/Retractable Feet Yes Center Brace No Center Column Center Column Type - Sliding Center Column Sections - 1"