Gym 2 Dance Gymnastics Bar Adjustable 3' to 5' Model LE Red Visit our gym2dance website for more information or assembly instruction. 4 stainless steel turn buckles to stablize vertical poles. Adjustable from 3' to 5', Solid wook bar 1 1/2" diameter stainless steel vertical inner tube (will not rust from scratching) Double ultra thick steel tie plates (even more stable) & Ultra thick rubber pads (over  thick. Non-slip and protect your floor) 1  diameter solid wood (competition standard) & Double locking Mechanism, one spring loaded knob and one lock down knob (safety)