The VersaChock blind fastener plate is designed exclusively for use with VersaChock brand threaded deck plates (UPC 741813844862). It allows for deck plate installation when access to the backside of mounting surface is not possible. It also serves as a backing plate. Perfect for solo installations when a second set of hands is not available! Made of high quality 316 stainless steel. Three #10 x 2” length oval head screws, installation stud and tie strap included. Patent/s pending.