Ridgid AC99331-2 Flip Top Work Support This item is STAND, FLIP TOP AC9934 28538 This product is used for tools-replacement-parts This product manufacture by China Pivoting top catches sagging stock, provides superior outfeed support Quick take-down folds virtually flat Transport and stores easily 18-Inch Vertical adjustment from 27-Inch to 45-Inch height for use with almost any tool Rugged thick wall tubing with stable non-skid feet