Reliable Material: Small Ring Bender Dies are made from pp, lightweight yet sturdy, will not break or deform easily 6 Pieces Set: This kit includes multiple size ring bender dies of 12mm, 14mm, 16mm, 18mm, 20mm and 22mm, good replacement nylon dies for DIY ring earring bending tool Rings Bending Machine Parts: Professional ring bender accessories are suitable for DIY jewelry making, spoon rings, DIY earrings and more Easy to Use: This ring bending machine replacement dies fit for ring bender easily, ensures precise and scratch-free bending Wide Application: Ring Bending dies are great for home crafting, jewelry stores, DIY projects, and repairs, suitable for both beginners and professionals, ideal for creating unique jewelry works Specification: Material: ABS Size Chart: 2.5cmx2cmx1.6cm/0.98inchx0.79inchx0.63inch Package Includes: 6 Pieces Ring Bender Dies Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.