Kawajun Co. Door Catcher AC-784 Part Number: AC-784-XN Color: Satin Nickel New, Unused Price: 4,100 yen Material: Zinc Die-cast Finish: Satin Nickel Notes: Directly attached to the flooring. Internal screw type. Cannot be used on doors with four-sided frames. Compatible with gaps between the floor and the subfloor of 10-20mm. *Includes resin plugs for concrete. Bulk purchases of multiple units are also available; we will prepare the required quantity.