The EXPERTmatic™ E31C offers a EXPERTgrip™ for improved handling in hygiene / prophylaxis procedures.Provides the ideal reduction and speed range for polishing application. Offers a EXPERTgrip for improved handling in hygiene / prophylaxis procedures. Made in Germany Specifications: Reduction 5.4:1 Ideal speed less than 5000 rpm Speed range up to 7,400 rpm (electric motor) and 3,700 rpm (air motor) EXPERTgrip Universal “E” type connection Compatible with INTRAmatic 181 M Quick Disconnect Air Motor