Drilled No. 6 Silicone Stopper

Introducing a silicone stopper specially designed with a drilled hole. This stopper features a top diameter of 1 1/4" and a slightly smaller bottom diameter of 1 1/16". The hole has a diameter of 1/4" and is specifically designed for use with this #6 stopper. Furthermore, this stopper has the remarkable ability to withstand high temperatures of up to 220°C.