Editorial Review The Wubbers jumbo triangle mandrels add two more fun sizes to the Wubbers triangle collection, bringing dramatic designs to your jewelry pieces. the larges of the Wubbers triangles, these pliers are especially suited for pendants and focal pieces but can also be used to create bracelets, earring components, brooches pr statement pieces. Specially designed to be gentle on even the smallest of hands, these pliers have long handles with comfortable foam covers that are easy to grip and that offer maximum control and visibility of your work. Measurements: Total length of 6.75 inches. The jaws measure 16 & 20mm. Rated for use with dead soft sheet metal up to 20 gauge thick and dead soft wire up to 12 gauge thick. Made of high quality stainless steel. Leaf-spring box joint. NOTE: These pliers are intended for beading and other fine hobby work. Not recommended for heavy duty applications such as automotive, home improvement, or maritime use.