XMark Olympic EZ Curl Bar Brass Bushings with Optional Texas Star, Signature or TRI-Grip Olympic Plate Weight Sets, Use with Preacher Curl Bench, Utility Benches, Bicep Curl and Triceps Extension Designed to give a more comfortable feel when performing curls; change the intensity of your lift by alternating grips Durable chrome finish with snap ring lock system and brass bushings 28mm grip with medium knurling ; 22 lb net weight; 400 lb. weight capacity Black manganese phosphate on the shaft. Manganese phosphate coatings are the hardest, while providing unbeatable corrosion and abrasion protection Your XMark Olympic EZ Curl Bar is an investment. Take a couple of minutes to protect your investment by wiping down your bar regularly with a light coat of WD-40 or a 3-in-1 oil.