Three (3) complete Retro-Fit Latch kits, to install your antique knobs and backplates in modern doors. Antique Brass Tubular Latch Kit is used to retrofitt modern pre-drilled for Antique threaded spindle type knobs or reproductions. We Our Self-Alining Split Threaded Spindle for easer installation. Removable latch face plate is 2-1/4" tall x 1" , the striker plate is 2-1/4" tall x 1-7/8" wide. All sets are tested, assembled in USA and shipped as complete sets including all mounting hardware. Also available in Brushed Nickel, Chrome, Oil Rubbed Bronze or Polished Brass in our other Amazon listings, email us for link. When you buy more than one set, we will adjust the shipping charges before the order is processed. Guaranteed to your satisfaction.