SeaLux Marine 316 Stainless Steel 2-3/4" Door Stop Retaining Catch and Holder for boat, RV (Large) SeaLux Marine 316 Stainless Steel 2-3/4" Door Stop Retaining Catch and Holder for boat, RV (Large) Low friction spring stainless steel roller bearing style Strong and secure, roller operation for ease of use. Can use on cabinet, door... Doors are held firmly yet release with ease when required thanks to the roller action of the clamp Mounting Screws are not included,