Saeyang SH37L (M45) Replaceable Handpiece 40K RPM

The Saeyang SH37L (M45) is a professional replaceable nail drill handpiece designed for technicians who need high torque, stable speed, and reliable daily performance for manicure and pedicure services. It is widely listed as an original Saeyang handpiece made in South Korea.

Why the SH37L (M45) Is a Strong Choice for Professional Use

This handpiece is built for more demanding work, including product removal, shaping, and pedicure procedures where stronger torque matters. Seller listings consistently describe it with 0–40,000 RPM and 4.5 Ncm torque, which makes it one of the more powerful options in the Saeyang/Marathon handpiece range.

Smooth Control and Quick Bit Changes

The SH37L (M45) uses a Twist-Lock mechanism for faster and more secure bit changes. Multiple listings also describe it as a handpiece with smooth operation and reduced heat buildup, which supports more comfortable use during longer appointments.

Key Features

• 0–40,000 RPM
• 4.5 Ncm torque
• Twist-Lock bit system
• Approx. 154 mm length × 30 mm diameter
• Approx. 202–210 g handpiece weight
• 30V / 50W handpiece specification
• Professional replacement handpiece for manicure and pedicure work

Technical Specifications

• Model: SH37L (M45)
• Speed: 0–40,000 RPM
• Torque: 4.5 Ncm
• Size: 154 × 30 mm
• Weight: about 202–210 g
• Power: 30V / 50W
• Origin: South Korea

What’s Included

The product is commonly listed as the SH37L (M45) handpiece, and some seller listings also include a maintenance wrench for servicing and cleaning.