X Training Equipment Ultra-Lite 28mm Women's Power bar - 30lb This 30lb 6ft hollow steel bar is 51.5" between the collars, the same as 7ft bars, and will fit on an olympic width rack. This bar is perfect for those wanting to work on form without the load of a standard bar. 28mm 72" No center knurling 30lb The fine print: Limited time free shipping continental USA only.