Features1Easy Installation: The spring is suitable compatible with most dental centrifugal machine, easy to install, no complicated steps required, bring you convenience. 2Replacement Accessory: Smooth surface, not easy to decompatible withm or fall off, wonderful replacement compatible with the old or broken one, simple and practical accessory. 3Fine Workmanship: Pay attention to details, important and necessary dental materials, good percompatible withmance, fit well on dental centrifugal casting machine. 4Portable Design: Light weight and in small size, easy to store and carry, can be easily put into your tool box, suitable compatible with dental processing plants. 5Alloy Material: Dental centrifuge spring is made of good alloy material, with high hardness and good toughness, firm and sturdy, stable and wear resistant, durable.SpecificationMaterial: AlloyItem Type: Spring compatible with Dental Centrifugal MachineMaterial: AlloyScope of Application: Suitable compatible with most dental centrifugesPackage List1 x Spring