This coupler is a high-quality accessory compatible with 5-hole hoses. It features fiber optic technology and the ability to connect to pneumatic/air power sources. The brand is Star and the model is a 5-Hole fiber optic Swivel, designed and manufactured in the United States.The coupler does not come with any modifications or custom bundles, and it is suitable for use in dental handpieces and instruments. It is a non-domestic product and can be found in the Healthcare, Lab & Dental section as well as the Business & Industrial section of online marketplaces like ebay.