Bowling Ball Mill Jig SPECIAL Mining machine
Was used with an ovalmatic bowling ball jig for drilling can be modified with a spacer plate for a 3 point ball jig to mount on it or other jigstools heavy duty 100 for all items 2 ovalmatic ball jig base needs a bowl and spanlateral pitch levers for the ball to sit in 3 base plate for mounting on a milling machine




































