- Double ended: Nickel Titanium and Stainless Steel - ISO sized: compatible with ISO standard files and obturation material - Tip end is 21 mm in length - Durable and lightweight design to reduce hand fatigue - Ergonomic design with dimpled finger rest - Color-coded handpiece for fast and easy identification - Markings on tip to indicate pulp length - Gradual .02 taper to enhance tactile feedback to prevent root fracture - Endo stop included on the NiTi end