THIS IS A PAIR OF ALUMINUM BULLET CASING TOGGLE SWITCH EXTENSIONS. THE END HAS 44 MAG AND IT IS BRASS COLORED. THEY ARE 2-1/8 INCHES LONG AND MOUNT WITH A SET SCREW. THE TOP HAS A 1/2" DIAMETER, THE BASE IS 7/16" IN DIAMETER, THE BASE INSIDE DIAMETER IS 1/4" AND THE SET SCREW IS 3/8" FROM THE BOTTOM. NEW. PACKAGE OF TWO.