Saeshin H400 40K Handpiece (3/32″)

The Saeshin H400 40K Handpiece is a professional replacement handpiece designed for technicians who need higher torque, stable high-speed performance, and compatibility with standard nail drill bits. Saeshin’s official US product page lists it as H400 40,000 RPM Handpiece (3/32"). Key Features Up to 40,000 RPM 4.0 Ncm torque 3/32" / 2.35 mm bit compatibility Carbon brush handpiece design Strong focus on durability and low vibration Made in South Korea on current seller pages. Technical Specifications Model: H400 Speed: 40,000 RPM Torque: 4.0 Ncm Dimensions: about 159.5 × 29.4 mm Weight: about 233 g Bit size compatibility: 2.35 mm / 3/32" Product code: MSHP-H400. Compatibility Current seller pages show the H400 as compatible with Strong control units, and one specialty retailer explicitly says it suits the Strong 207A control unit. Set pages also show it being sold in the Strong 210 / H400 configuration, which supports Strong-series compatibility.