Bemis memphis sta tite slow closing silentium fsc certified american innova moulded wood is designed for universal pans the seat features sta tite the patented fixing system that stays tight and is quick to install the lower portion of the nut shears off when the proper tightness is reached so it is always perfectly tight made from moulded wood chrome plated hinge slow close fittings included adjustable to fit all toilet seats 2 year manufacturers guarantee