For making large jump rings and to create curves and loops in wire jewelry designs. The set consists of six 5.5" long wood dowels in the diameters ¹⁄₄", ³⁄₈", ¹⁄₂", ⁵⁄₈", ⁷⁄₈", and 1". Furnished with a roll-up storage case with Velcro closure. Made in China.