:.. Measurements:....Stabilizer Length: 25mm.. Stabilizer Height: 22mm.. Eartip Outer Diameter: 11.5mm... Instructions to Install Eartips:.. 1.) First you must remove the existing eartips that are on your In Ear Earphones. 2.) Place the Secure Fit Stabilizers over the Attachment Driver of the Earphones corresponding with the correct side, left or right. 3.) Apply pressure and with a circular motion install the stabilizers. 4.) Press down on the stabilizers against the earphones making sure they have attached fully to the base of the attachment driver. 5.) You can adjust the Stabilizers to maximize comfort by rotating them on the earphones until you are content with the placement within your ear. 6.) Then you are ready and set to enjoy comfort and stability
6pcs (B-NSTB) Left and Right Side Replacement Stabilizers Fins Wing Eartips Earbuds for Sennheiser (M2IE) Momentum I and Momentum G In Ear Earphones - B0768Q3Q57