Q.D. Kit, Air, to fit A-dec® Handpiece Controls (A-dec® #026.130.00) Includes male & female Q.D.’s, Hardware & Tubing Plastic spacer A-dec® and Cascade® are a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.