ProX XT PICKPRO800 Truss Pickpro Holds 800lbs Fits F32 F34 & 12" noreturns A unique patented expanding mandrel H ADJ VFEPW2 A unique patented expanding mandrel system provides a tight and firm fit for the speaker Utilizing an ingenious internal gear system rather than cables not only makes it safer to use but makes for worry free use for years and years The ProX XT PICKPRO800 Truss Pickpro Holds 800lbs Fits F32 F34 and 12" Boltx Truss is a professional truss pick designed for installations or semi permanent applications when the truss needs to be flown and the center of gravity needs to be at the center of the truss you can disperse the complete trussing weight with multiple picks for an easy and safe assemble or teardown