Non Metric, Plastic Hub, Indicating mark on hub for easy identification for bevel position. Round cutting edge protects gum. Double silicone coating reduces tissue trauma. Seals and hubs are colour coded according to diameter. The sheath round and transparent (coloured as indicated). Sheath and cap are soldered. Bevel indicator on hub.

The threading of the hub is designed to fit on most syringes – even those not complying with the ISO tolerances. Paper sealed.