Features: - Midwest 4-hole connection: Fits smoothly with NSK handpieces using the M4 fitting. - Non-optic design: No light output – ideal for clinics that use standard handpieces. - Non-retraction valve: Helps stop backflow of water or air, keeping the line clean and hygienic. - Strong Stainless steel body: Feels sturdy in hand, resists rust and lasts a long time. - Smooth fit: Attaches and detaches easily without wobble or air leaks. - Low maintenance: Simple to clean and maintain after each use. - Lightweight design: Well-balanced so it doesn’t add extra weight during long procedures. Specifications: - Model: NSK FM-CL-M4 Coupling. - Type: Non-optic. - Connection: Midwest (4-hole). - Valve: Non-retraction valve. - Material: Stainless steel. - Compatibility: For NSK handpieces. - Sterilization: Fully autoclavable. - Finish: Smooth, corrosion-resistant body.