The Push PullĀ® bathtub stopper by Watco is easy to use by simply pulling up to open or pushing down to close. The internal friction ring holds the stopper in place when in open position. This replacement stopper fits strainer body widths up to 2 7/8-inches with a cross bar that holds either 3/8-inch or 5/16-inch pins, both included. Watco, The Choice of Professionals and Always A Step Ahead.