The life maxx lmx86c rubber coated olympic discs are great for any kind of commercial gym they have a durable rubber coating which means that is it not likely hat the discs become markedscuffed and can be key clean super easy also the likelihood of other equipmentflooring becoming marked or scuffed is very low the lmx86c discs are to be used with any olympic bar that has a diameter of 50mm there are multiple hand grips on the discs meaning they can be used for other reasons and help you kee