1DURABLE MATERIAL: The bracelet mandrel is made of premium plastic nylon material, which is hard and can withstand hammering without leaving marks or scratches on the metal. 2SIZE ADJUSTABLE: This bracelet mandrel can be used to adjust and repair deformed bracelets. Diameter from 46 mm to 66 mm (1.81 in to 2.59 in) for different sizes of bracelets. 3EASY TO USE: With this stepped bracelet mandrel, you can easily understand your wrist size and help you make the right jewelry bracelet. 4WIDE RANGE OF APPLICATIONS: Our jewellery tool kit is suitable for making jewellery of different sizes, whether it be anklets, bracelets or bracelets. 5VERSATILE: Features a variety of functions, including adjusting, restoring and making jewellery. The plastic nylon bracelet mandrel is lightweight and compact, making it easy to carry and store. 1 x BraceletMandrel