To Measure your earphone's nozzle attachment. Take off your old eartips, measure the diameter of the attachment nozzle in millimeters and make sure it falls between 4mm-6mm<><><> Measurements of Stabilizers:....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 Compatible with the following Earphones Models: AKG: K374, K375, K376... Denon: AH-C350, AH-C351, AH-C551, AH-C700, AH-C751... Grado: GR8 , GR10... JLab: JBuds, J2, J3, J4, J5, J6, J.Fi, JBASIC... Monster: Monster Dr.Dre Beats Tour 2,3, Beats X, urBeats 2, 3, Turbine Pro, NCredible N-Ergy... Panasonic; RP-HJE50, RP-HJE200, RP-HNJ200... Philips: SHE3595/28, SHE3575/28, SHE3590/10, SHE7005A/28, SHE8000/28, SHE8005/10, SHE9000/28, SHE9005A/28...Samsung: HS330 EO-HS3303WE, EHS44ASSBE GH59-10443B.. Sennheiser M2 IE- Momentum I and G, HD1, HD1 Free, HD1 Wireless NeckBand, IE, CX , CXC , CXL , OCX , MM Series ... Skullcandy: 50/50, Dubs, JIB, Riot, Holua, Ink'd ... Sol Republic: JAX, SL49...Sony: MDR, XBA, DR Series.. Thinksound : ts01, Rain... Ultimate Ears by Logitech : Ultimate Ears UE 500, UE 350, SuperFi4, Metro Fi220, Metro 220vi, Metro Fi170, Metro 170vi... V-MODA: Vibrato, True Blood MAKER, True Blood O Positive, True Blood REVAMP, Vibe II, Vibe, Vibe duo, Faze, Spin, Bass Freq, Remix