ScrewGrab is an exclusive grip improver which increases torque between screwdriver and screw by 400%. One Dab of ScrewGrab provides instant torquing power to stripped screwheads and other fasteners. Allows removal of even badly cammed-out screws and other fasteners. It is not a glue. Works instantly.Wipes clean- non staining. Odorless and non-toxic. Won’t irritate skin. Non-corrosive. Unlimited shelf-life.