Description: The Double, 2 ear or ‘O’ clip is an inexpensive, easy assembly clip which has many applications in addition to its normal role of sealing hoses against loss of liquid, air or gases. All burrs/sharp edges removed to prevent damage to application. Security, i.e. tamper proof, cost efficient. Speed & ease of assembly, aesthetically pleasing/compact & lightweight. Sealing pressure consistency, just as effective on metal to metal connections. They have a wide application in manufacturing industries. Specification: Double Ear Hose Clip Material: Zinc Plated Size:5-7MM,7-9MM,9-11MM,11-13MM,13-15MM,15-18MM,17-20MM,20-23MM Package Includes: 5-7MM Double Ear Hose Clips 7-9MM Double Ear Hose Clips 9-11MM Double Ear Hose Clips 11-13MM Double Ear Hose Clips 13-15MM Double Ear Hose Clips 15-18MM Double Ear Hose Clips 17-20MM Double Ear Hose Clips 20-23MM Double Ear Hose Clips 1 x Storage box Note: How to select the correct size? - Measure the OD of your application (OD = Outside diameter) - Select the Double Ear Hose Clip that suits your OD accordingly Note: Please be careful that when you insert the connector into the hose the hose OD doesn't increase. How to select the correct size Double or Single Ear Clip? - Accurately measure the OUTSIDE diameter of your hose / application - Select the Ear Clip which size range matches the OD of your hose - Watch out for the hose OD increasing when you push in your application - Example: If your hose is 5mm OD, select the 5-7mm Ear Clip