Features: A good quality jewelry hole expanding needle jewelry hole expanding device set, suitable for the hole expanding needs of wood beads, jewelry and other items. (Not suitable for weakly textured jadeites gemstones, crystal wax, etc.). Includes 4 different sizes of reaming needle, which can meet the needs of jewelry reaming of different sizes; Easy to use, convenient and fast to expand the apertures of jewelry. Suitable for jewelry enthusiasts, craftsmen, jewelry shop owners, and others who need to perform jewelry hole enlargement. Can be used in homes, studios, jewelry stores, and other places to expand the apertures of jewelry to meet different accessory needs. Specifications: Material: Plastic, Diamond Cone head: approx 85mm/3.35in Umbrella head: approx 91mm/3.58in Short pointed head: approx 106mm/4.17in Long pointed head: approx 122mm/4.8in Quantity: 4PCS Set Package Includes: Tipped Bead Reamer note: Due to the problems of lighting effects and shooting angle, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.