25.5" long, 3" wide, and 1.25" tall. SN: NSN. WWI Era Hollifield rifle practice kit in original wooden case. Case features a varnished finish with pressed steel hinges and latches. Paper label glued to lid reads "Hollifield Army & Navy Rifle Rod/HOLLIFIELD TARGET PRACTICE ROD CO./MIDDLETOWN, NEW YORK" with patent dates "Oct. 8. 1907, Nov. 14. 1911' and Jan. 30. 1912". Interior lid fixed with a paper label featuring a cutaway of the device installed on a 1903 pattern rifle, instructions, and the spotting target. Case includes: one partial packet of targets with intact paper labels, envelope containing the "Aim Fixing Target Slip and Marking Discs on Staff", one 24" and one 21" long brass tube, one "U.S. C. CO." stamped dummy cartridge with internal spring and operating rod, and one target slip. Interior of box pasted with notes for instructors.