DUROCK 0.3mm Foam Switch Films are an alternative beyond the previous 0.15mm Clear Films. It will assist in tuning your modified switches which with larger gap or wobble. By essentially acting as a gasket between both halves of your switch, they will adjust acoustic properties and also tighten up tolerances. Better locking your stem into place to reduce wobble and probably achieve a better sound. These variants come in a foam material, twice as thick as the regular variety. But they are More Compressive since the soft material feature, tolerance from 0.165mm to 0.3mm. DUROCK FOAM SWITCH FILMS Feature: Color: Black Material: Polyurethane Foam Type: 0.3mm Thick Gasket switch film Compatibility: DUROCK JWK Switches, Gateron Switches, Kaih Cream Switches, Cherry MX and Similar Types Featuring unparalleled compatibility, vibration reduction, and acoustic benefits to enhance your favorite switches. Package:120 included per pack.