AutoLöc gas struts are designed with CAD CAM technology to deliver a long life of smooth operation in any application. AutoLoc's unique ball socket design makes installation a snap. Each shock is UTM sealed so you never need to worry about leaking fluids. Available in several sizes and lift capacities make them ideal for hood, doors, trunks, hinges, or anything that needs a lift!Featured on several TV shows including Monster Garage, and Pimp My Ride AutoLoc kits deliver where all others fails. Insist on the best, and insist on AutoLoc and you be glad you did.