OLYMPIC BARBELL MEN’S SPECIFICATIONS & FEATURES: Weight: 20kg; Bearing: 1000/1500/2000lbs; Material: Spring steel; Size: 2200x28mm; 4 /8 / 10 needles, 2 cooper sleeves; Hard chrome plating (0.03mm~0.04mm chrome thickness); IWF standard knurling, 6 sections knurling (Depth 0.25mm~0.35mm); 150KPS/190~200KPS, NK bearing. WEIGHT TOLERANCE: +/-10 grams. YOU MIGHT ALSO LIKE CALIBRATED CAST IRON PLATEAPE FITNESS RUBBER BUMPER PLATEAPE FITNESS POWER RACK - AP150APE FITNESS ADJUSTABLE IPF COMBO RACKAPE FITNESS