RV Entry Door Check Pos-A-Lock Swing Arm 08420452Entry door pos a lock hinge, closer, swing arm, or scissor closures. This swing arm is found at the top of the entry door and prevents the door from slamming or opening too widely. Fits numerous models of RVs. Dimensions: length of extended arms is 20 inches. Individual arms are 1 inch wide each. Includes hardware. Product Notes: There are six bolts in the jam and six on the door to remove and reinstall. The hinge works with friction from the rivet