Best used as a replacement seat back pad (MS4) for the Perception Sport Access 11.5 and 9.5 sit-on-top kayaks. Pad is approximately 12.5 x 8.5 inches with 4 fastener holes, the top two holes are approximately 8.5 inches apart. Kit is assembled by Perception and contains: 1 seat back pad (17040292), 4 well-nuts and 4 hinged screw caps. Instructions are not included but install is simple. Use link below for more info. PERRECTOUR
Re-use any original mounting screws. It is assumed that these back pads are secured with 10 - 30 machine screws, and well-nuts. The hinged screw caps act as a washer and a decorative cover. The hinged screw caps are not likely to be re-used. It is assumed that well-nuts could be re-used but are included anyway. Replace the mounting hardware with matching components in this kit. Do not improvise without technical support.
Related Article: Basics of Strap Eyes, Rivets and Well Nuts.