Cylindrical Pull Plugs are solid plugs made of silicone and suitable for screw holes sizes ranging from M3 to M20. Made with a flange at the back, Cylindrical Pull Plugs allow masking of hole entrances. Positioning during installation is easy. Cylindrical Pull Plugs are ideal for use on through holes, where one end of the plug can be pulled from the opposite side for secure installation. Depending on the hole depth, Cylindrical Pull Plugs are available in different lengths. Cylindrical Pull Plugs also have a knob to facilitate easy removal.