11/2" x 31/2" aluminum straightedge Comfort grip handles Removable digital reading inclinometer Includes mounting bracket (#21-166) and Inclinometer (#21-121) THIS KIT CONTAINS: SMART TOOL INCLINOMETER (x 1) MOUNTING BRACKET FOR INCLINOMETER (x 1) SLOPE CHECKER - 6' X 1 1/2" X 3 1/2" ALUM WITH COMFORT GRIP HANDLES (x 1)