JIG THAT ATTACHES TO ANY XENETECH VISE WITH A SET OF DOWEL PINS; ONE SIDE OF EACH BAR CONSISTS OF LAYERED RECTANGULAR SIDES FOR CLAMPING OBJECTS WITH FLATS; REVERSE THE BARS FOR INSETS DESIGNED FOR HOLDING SEALS AND OTHER ROUND OBJECTS; JIG INCLUDES A HARD-STOP ALLOWING A TOP-LEFT HOME POSITION TO BE INTEGRATED DIRECTLY INTO THE JUG