In this video, you will see how to use the 2 piece mandrel set by Beadsmith. You will also see how to make a jump ring using this tool. The loop diameters include: 1.5mm, 2.5mm, 3.5mm, 4.5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, and 10mm. How to Use the 2 Piece Mandrel Set by Beadsmith