These Nylon washers go on to standard tension rods. Sold as a package of ONE HUNDRED washers. These are a nice thick size, custom made just for tension rod use, the thicker size will compress ever so slightly to help hold tuning, as well as adding a smoother, more exact feel to tuning your drum. NEED MORE? Call us for BULK discounts on this item. NOTE: These are the washers only, Tension Rods are sold. sep.