Weight collars are designed to keep weight plates securely fastened to weight lifting bars. They are essential to ensuring your workout is safe and effective. We carry both Olympic collars for use with Olympic style bars and Regular/Standard collars for use with Regular/Standard style bars. Olympic collars fit on 2 inch diameter bars, while regular collars fit on 1 inch diameter bars. There are many styles of weight collars to choose from. We carry a broad selection of spring collars, quicklee collars, okie collars and muscle clamp collars. Make sure to choose the right size collar and style the best fits your weight lifting bar and your needs.