You are bidding on 1 new  4" metal door  holder / catch. These are stainless steel( zink plated available in separate listing). These 2 piece door holders are manufactured from steel for strength with a positive locking bracket for additional safety. These  hold open the  RV entrance door. Screws are not included. These are 4" from door to wall when hooked. The  base  of each side is 1-3/4" by 3".

You are bidding on one  2 piece door catch. These are new  in bulk OEM cases not in a retail package.  You may purchase any quantity that you wish from one up to the remaining listed quantity.  Thank you for looking