Universal: Good for beginners and professionals, mandrels are 5.5 inch in length, made of iron machined, will give consistent size loops time after time. 10 Sizes: Easy to use, economical and practical jewelry tool, make round loops in 10 different sizes: 1.5mm/1.7mm/2.7mm/3.8mm/5mm/6mm/7mm/8mm/9mm/10mm Quality Material: The jump rings or loops making beading tools set is durable and does , solid strong enough to put rings around it and working well Description: 2 Mandels Set: Wire wrapping mandel set contains 2 round mandels made of iron with non-slip handle, each mandel tool has 5 stepped/5 sizes wire wrapping, Weight: 0.21384839414 pounds, Manufacturer: Zambuph