Ring bending machine,using ABS materials, not easy to deform or break, can be used for long time. Easy to use, bring you much more convenience, can be used formaking and rolling rings, earring and other jewelry. A very professional jewelry making tool for adults. Features -Color:Black -Material:ABS -Size:15.00X12.00X6.50cm/5.89X4.72X2.55in -Specifications :12mm, 14mm, 16mm, 20mm, 22mm, 90, 45 - The ring bending machine is constructed of ABS, which can effectively prevent deformation, and can be used for a long time. -The ring bending tool isavailabledifferent sizes and can meet your different needs in jewelry making. -Ring bending machine is convenient and simple to use, practical and durable, stylish and beautiful. -Easy to Use, install and then select the size you need. This versatile ring bending tool performs most other bending tools. -Ring bending machine is an indispensable and professional helper for jewelry designers and can save time.Packing list1 x jewelry ring bender