Bail Making pliers offer two sizes of ends (mandrels) that allow the wire artist to bend the wire to make bails or other wire wrapping patterns the same size each time. These Beadalon Bail making pliers feature 4 mm and 2 mm ends so be sure to choose the pliers that have the best sizes for your work.Details:Black4 mm and 2 mm / 0.15" and 0.07"Offer two sizes of endsMade of Stainless Steel