Hand Held Tube Cutter for jewelry manufacturing. This cutter and wire sawing jig from has an adjustable stop so that precise 90 degree cuts of a measured length can be made repeatedly. The sawing jig has a guide for your saw blade and a thumb keeper to hold the tubing or wire firmly in the jig. Hand held jig holds rods and tubes securely for sawing. Adjustable end stop to preset the size of tube you want to cut.