This package includes (2) Global Truss STSB005 Crank Adaptors For ST-90, (2) 4.92' - 9" Square F24 Straight Truss, (2) Global Truss ST-90 9' Light Duty Crank Stand, (2) Global Truss Bag for ST-90 Crank Stands, and (4) Global Truss Medium Duty F24 Jr. Clamps. Global Truss designs and manufactures professional grade trussing ideal for a wide span of applications ranging anywhere from DJ set-ups, clubs, concert/stage structures, theatrical lighting, schools and tradeshow/retail displays. This precision made, extremely high quality truss bears the certification symbol from TUV, a third party certification body and a nationally recognized testing laboratory which oversees the Truss Industry (just like OSHA). In other words, their trussing is made from genuine, certified T6-6082, aluminum and steel which is the same durable material jet airplanes and certain spacecraft are made from. Global Truss is built to the highest degree of safety specifications accept no imitations where crowd safety and well-being is a concern! This rugged yet lightweight, satin aluminum finish is a specially engineered formula designed to absorb and reflect light giving your structure a clean, polished appearance that will leave your crowd in awe and give your set up a classy, super attractive appearance every time! The ST-90 from Global Truss is a light duty crank stand with a maximum height of 9' (118"/3m) and a weight of 24 lbs. Make sure all of your truss components are secure with a pair of STSB005 crank stand to truss adaptors. Each end is adjustable up to 18" wide, with latches to mount your loaded truss pieces.Global Truss