Body-Solid OB60 Black 5' Short Olympic Weight Lifting Bar - 600 Pound Capacity Solid steel bar and sleeves with black oxide finish. Medium diamond knurling. No center knurl. Total length: 5' (60"). Inside grip area length (between sleeve collars): 36.5". Weight: 30 lbs. Grip diameter: 30mm (1.18"). Sleeve loading length: 9.75". Rotating sleeves. Designed for use with Olympic plates with 2" center hole only. Maximum weight rating: 600 lbs. 30 day limited warranty against manufacturer defects (does not cover dropping or abuse).