Product Description : Only products shipped from and sold by authorized resellers such as Amazoncom can ensure that you will be receiving product that has a valid 10 year US warranty upon registration Dust and moisture resistant leg locks lets you work in real world environments without any concerns Just rinse off the legs and theyre ready for the next assignment Half-turn leg lock mechanisms - a simple half turn of the leg locks lets you quickly and easily unlock the sections for fast height adjustment and then tighten them down for rock solid support 3 position Adjustable Angle Leg Locks - accommodate uneven surfaces and awkward shooting situations Reversible Center Column - allows low angle shooting Interchangeable Rubber Feet and Stainless Steel Spikes - provide the right contact on any surface or terrain Closed Cell Foam Grip on all 3 legs - provides comfortable positive handling during cold or wet conditions