For 4 holes handpiece The new high quality dental parts--- Handpiece Tubing Adapter. which is the important part of dental handpiece. It is often used in changing 4 hole Handpiece on a 2 hole Connector or else. It is convenient for dentists to transform 2-hole quick connector and 4-hole quick connector easily. We would supply the excellent goods and services according to clients' requirements. Features: 1. Used in dental applications 2. Quick-Change handpiece adapter 3. Excellent comfort design, easy to clean and maintain 4. Stainless steel borden straight dental handpiece nutUrl Dental