Item is new outta box . Please see pictures for exact part number .

The Dental Handpiece Coupling with LED Light by NSK Phatelus is a 4 hole adapter designed for Midwest hose compatibility. This handpiece adapter features an LED light for enhanced visibility during dental procedures. Made in China, this coupler is specifically intended for use in dentistry, offering a reliable and efficient solution for connecting handpieces to hoses in a dental setting. With a model number of 104NB-E, this product is a valuable addition to any dental laboratory or practice.