Weysat 1 Pcs Pottery Kiln Plug Peephole Plug for Kilns, 3-1/2" Long, Tapers from 1-1/4" to 3/4", Reliable Stone Pottery Tools and Accessories, Not Pure White (Round)

["Reliability Stone Pottery Accessories: these peephole plugs compatible with kilns, feature a precision taper (1-1/4\" to 3/4\") for seamless fitting; Each set includes 1 pottery kiln plugs for easy inspection, reducing downtime and ensuring kiln efficiency; Note: due to the problem of firing process, the hole plug is not pure white, other colors may appear during the firing process, this is normal and does not indicate dirt","Precision Dimensions for Reliable Seal: this hollow cast plug is approximately 3-1/2 inches long and tapers from 1-1/4 inches to 3/4 inches, these peephole hole plugs create a reliable heat resistant seal to minimize energy loss","High Temperature Resistance: the hollow cast plug is made of a cordierite and mullite hybrid ceramic, which is high temperature resistant and can withstand the extreme conditions in the kiln to ensure long-term reliable performance","Quick Installation: the kiln plugs design enables tool free installation; Simply align and press into the kiln port for an instant secure seal, and can be quickly and safely installed into kilns, making maintenance simple and efficient","Reliable Design: this peephole plug meets the standards, this peephole plug offers reliability and consistent performance, helping you achieve the best results in your kiln operations"]