(Jorgenson Labs) Lightweight model with hardened metal head and modified grip features a notched plate for OB chains. It is a two-tube guide that is 38" long for insertion into a cow. OB wire saw (#17141) is threaded around the fetal structure to be severed, inside the cow, and the Fetatome is used as a wire guide to shield the cow's tissues from damage during the sawing process. Handles (#17142) would also be utilized to grasp the wire. Comes complete with insertion coil and cleaning brush.