Family owned for 45 years, Outwater Plastics Industries stocks a wide range of different hardware, including Klem Fittings. These state-of-the-art fittings can easily join panels ranging from 1/8-in. to 3/4-in. in thickness and can be used to create straight or curved walls, squares, or prisms. The Klem Fittings offer great strength and can be used with any display or sign.