Curved to fit your buttstock, neatly hinged with steel cam finger inside the lid, cam spring and mounting screw. We show the rough underside to reveal the features. Polished outside, the curved hing fits well. Made of .052" thick iron. The flat spring is tempered, ready to use, it may be finger soldered under the lid. Use this blank kit to copy an original. 7-3/4" overall length.