Description This set of rotary grinding heads is for detailed carving and polishing tasks. Designed for use on and metal surfaces, these abrasive tools are ideal for removing rust and achieving a smooth finish. The mixed assortment ensures you have the right tool for every intricate job, enhancing your crafting precision. Features -Color:Silver -Material:Carborundum -Size:4.50X0.60X0.60cm/1.77X0.24X0.24in-Multifunctional design: suitable for carving and metal grinding, enhancing creation and repair efficiency.-Mixed set configuration: meets the fine processing needs of different hardness materials, achieving comprehensive grinding effects.-High wearresistant material: extends service life, reduces replacement frequency, and ensures continuous operation.-Effective rust removal: restores metal surface gloss, suitable for industrial and handicraft repair scenarios.-Precision processing: improves grinding accuracy, suitable for fine work such as jewelry making and model repairPackage list: 20 x Grinding Bits