Will accept the 16" Tuf-Tite domed lid and the flat heavy duty lid. They have a ring on the inside of them that will allow you to add a concrete plug for safety. (Handle not Included) Tuf-Tite 16"x 3" Safety Pan Riser will work with all other Tuf-Tite products that are 16" in Diameter. Comes with 6 screws to fit securely to existing Risers. Adds 3 more inches of height to existing risers.