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 Global Truss ST157 is a professional grade truss crank stand designed to get your lights, effects, speakers or video gear high above the crowd for optimum exposure. This pro grade crank stand is built solid just like a tank and designed to support some heavy loads. This big boy can support a load of up to 350 lbs. and has a maximum height of up to 15.7'. 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. The Global Truss Pro Clamp is a professional wrap around style clamp the ever popular Pro Clamp is designed for mounting your lighting fixtures and effects weighing up to 1000 lbs. from truss or pipe 2" in diameter. This is a clamp used specifically in a professional envioronment. Ideal for mobile DJ's, light riggers and theater stage hands.Global Truss