Endo Attachment for NLZ Motor Non-Optic Ceramic Bearings E-Type Specifications Max Speed: 1,000 min-1 (Input Max Rotation Speed of the Motor: 6,000 min-1) Head Size: Ø8.6 × H11.3 mm Gear Ratio: 6:1 Features Engine Files (Ø2.35) *For Rotary Endo mode Wave-One Reciprocating Files (Ø2.35) *For Recipro Endo Mode Push Button Chuck