Econo cam Lock 7/8″keyed – code 751.Note: Measure your door’s backset, cross bore and thickness to ensure you find the right fit. Constructed of durable stainless steel. Two Keys Included. One straight and one offset included. Primarily used for compartment/bay area doors. RV Designer Economy Weather Resistant Cam Lock. These locks are weather resistant, have smooth movement, included straight and offset cam to fit most RV applications, and are manufacturer. Guaranteed for life. Cam size 7/8 inch, with Key.