Your surgical procedures demand rotary instruments of highest quality and reliability. To support this SS White goes above and beyond ISO and ADA testing requirements. SS White Oral Surgery Burs unique blade geometry allows for effective bone and tooth removal discharge and: Creates more efficiency due to reduced clogging. Helps you save time for all surgical procedures. Are packaged sterile. Are compatible with all popular handpieces including Stryker, Hall and MicroAire. (HP) Handpiece Head Diameter: 1.8 Length: 44.5mm Fits Stryker 100K & Impaction Handpiece