Product Description Varianta XA64301516 Bench Seat Hinges with Spring for Seat Tops Weighing 8 - 12 kg (176 - 264 lbs) - Pair (Left and Right) One Pair (Right & Left) Varianta Bench Seat Hinges with Spring for Seat Tops Weighing 8 - 12 kg (176 - 264 lbs) - Pair (Left and Right) Product details: The seat pulls forward and up simultaneously, which allows it to be flush with the wall behind without running into it as it opens The portion of the hinge that attaches to the bench top is designed to allow you to remove the top from the bench without having to remove the hinge If you loosen the screws, you can slide them out of the hinge Hinge design ensures safe retention of seat top in raised position at an angle of 95A guarantee approximately 110 mm (4-516A) of forward movement Unrestricted opening even of fully upholstered seats, as a joint is not required between the seat and back Hinge joints incorporate a stop to prevent the open seat from slamming against the fitting Springs for seat tops weighing 8 and 12 kg (176 - 264 lbs) counterbalance the weight of the seat top and assist opening The hinge doesnt come with #8 screws California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.