Made from engineered polymer, these self-closing hinges won’t rust, bind, sag or stain. Adjustable self-closing tension. Ideal Gate Gap: 1″. TruClose hinges are ideal for child safety gates around swimming pools*, childcare centers, schools, homes, playgrounds and hotels/resorts. TruClose hinges are quick and easy to install and to adjust for self-closing speed. D&D has sold millions of these award-winning TruClose® Safety Gate Hinges worldwide. * When installing TruClose® hinges to a swimming pool gate always confirm any safety requirements with your local Council or safety authorities to ensure compliance.