Meets all USAV, NCAA, NFHS and FIVB specifications. Lightweight and easy to set up High strength upright made of 3" (76mm) O.D. extruded aluminum. Navy blue powder coated upright with silver powder coated piston. Spring-loaded piston for easy adjustment regardless of competitive height. Hitch pin for easy net attachment. Requires 3" floor sleeves (not included). Ten-year limited warranty.