FX Series Handpiece FX75M Endo Contra Angle Ergonomic, Functional & Reliable. NSK FX handpiece series - a modernisation of the EX series. The traditional NSK simple design technology, functional reliability, durability, and cost effective pricing still remains, but FX has been updated to an integrated design in response to modern demands. The slim, stylish body gives you a larger operating field and offers a more secure grip. Stainless steel material ensures high durability and lighter weight, resulting in excellent all-around usability. FX series handpieces are also easy to clean due to their integrated construction. Specifications: Non-Optic, Miniature Head, 16:1 Reduction, For engine files / 360° Rotation, Stainless Steel Body Material, Max Speed 1,250 min-1, Push Button Chuck.