WEDGE-IT Blue 10-PACK The Wedge-It is a compact door-stop that is the perfect addition to any installers tool belt! No more searching for something to prop that door open. Great for Alarm installers, access control installers, Fire system installers, pretty much anyone who ever has to work on, near, or through doors! 1. Top of the Door: With door open to a 90 degree angle place Wedge-It on top of the door between door and door jamb. Wedge-It is designed with 4 different settings to fit between the top of the door and the door jamb.