Ergonomic high speed hand piece, valve body material: titanium alloy, fits the same rod shape as X25L Φ2.35mm Gear ratio is 1:1, working torque ≥20N, maximum speed of 40,000 rpm, operating sound ≤68dB LED light: LED light makes your work easier, clearer and more efficient Connection method: E type (can be connected to pneumatic or electric root tunnel motor), NSK, KaVo motor). W & H, Siron. Compatible with various brand motor systems such as a Please wash it with water before use. Can be sterilized at a high temperature of 135 degrees Celsius. Do not close the water pipe while in use. Box Packaging: Machine head x 1, Wrench x 1, Grease Nipple x 1, applicable manual x 1