This example is serial number 13715 and is a 20 power scope. The scope has a 24 3/8 inch long, 3/4 inch diameter tube with 2 inches of eye relief. The right side of the tube is roll stamped with the Lyman patent markings and "SUPER TARGETSPOT" in one line followed by the serial number. The rear mount is adjustable, there are screw on lens covers and a rubber eye protector. With the original pine box. Excellent with minor wear. Box is very good.