For 2 holes dental handpieceThe new high quality dental parts--- Handpiece Tubing Adapter. which is the important part of dental handpiece. It is often used in changing 2 hole Handpiece on a 4 hole Connector or else. It is convenient for dentists to transform 4-hole quick connector and 2-hole quick connector easily. We would supply the excellent goods and services according to clients' requirements.Features:1.Used in dental applications2.Quick-Change handpiece adapter3.Excellent comfort design， easy to clean and maintain4.Stainless steel borden straight dental handpiece nutPacking:3 pcs Adapters