Valor Fitness OB-HEX Super Hex Trap Bar ROTATING HANDLE: Three grip options: Womens (25 mm or 1 in diameter), Mens (38 mm or 1.5 in diameter), and Axel (50 mm or 2 in diameter) easily changed by spinning the handle. ELEVATED PLATE STORAGE: Elevated Olympic Sleeves Raise Weights off ground allowing easier change of plates. RUBBER STOPPERS: Protects floors from damage when setting down the OB-HEX. Not meant to be dropped or thrown. UNIQUE DESIGN: Ergonomically positioned handles assures correct lifting form allowing lifters midline center of gravity to stay balanced reducing unnecessary strain on spine to safety lift heavy weight. BUILDS MUSCLE: Shoulder Shrugs and Squats are the primary lifting functions adding muscle strength to Shoulders, back and legs.