✅ 4:1 Precise Reciprocating Motion 4:1 reduction ratio limits saw blade travel range, stable low-vibration back-and-forth cutting, clinicians can accurately control enamel removal thickness, prevent pulp irritation and over-reduction. ✅ Integrated Water Cooling System Built-through internal water channel matches clinical water supply, continuous cooling during stripping to reduce tooth temperature rise and patient sensitivity. ✅ Universal E-Type Connector Standard E-type motor interface, compatible with most dental micro motors on the market, plug-and-play without extra adapters. ✅ Full Autoclavable Medical Grade Alloy Whole handpiece metal body supports 135℃ high-temperature autoclave disinfection, corrosion-resistant, easy to clean, meets global dental infection control standards. ✅ Wide Compatibility with IPR Saw Blades Fits all standard double-sided IPR stripping saw blades (15μm~90μm), covering separating, reduction, contouring and finishing full clinical workflows.