B Features:

1. E-type Low Slow Speed handpiece 1:1 Ratio2. Air Pressure:245-392Kpa(2.5-4.0 kgf/cm²)3. Water Pressure: 198Kpa (2kg)4. Rotation Speed: 22,000-27,000 rpm5. Chuck Type: Latch Type6. Bur Applicable:Φ2.334-2.355mm7. Noise:≤70dB

Y Features:

Ratio: 1:1Straight NoseconeStandard E-Type ConnectionRotate Speed: MAX 27,000 RPMAir Pressure: 0.3MPa(4H),0.25Mpa(2H)Applicable Burs: HP Dia.2.35mm ISO ConfirmedMeans for Sterilizing: Prevacuumizing, Autoclavable up to 134℃/273℉

E Features:

Air pressure:245-392KPaWater consumption:50ML/minAir consumption:1.5L/minRotation speed:14,000-20,000r/minNoise≤70dBSterilization temperature:135℃Metal rotary sleeve,can resist the high temperature

Package Included:

-Straight Nosecone Handpiece: 1-Spanner：1- English manual: 1