Specifications: Size: 25g, 27g, 30g, Metric cone and American cone; E. O. gas Sterile Non Toxic, Non Pyrogenic Polypropylene Hubs are color marked Single Packing Sharp tri-bevel point, for maximum comfort; Screw-in system: Inch & metric(mm) type; type;type; Unit package: Heat-sealed plastic container or an adhesive paper seal; We have dental needle both for Metric system and America system Packing: plastic box packing / neutral packing / OEM available Lead time: within 3-4 weeks / depending on quantity Free samples are available.