Package Dimensions:7.9 x 2.9 x 1.19 cm; 18 Grams String Material:Stainless Steel Item Weight:18 g Product Features This silencer is made of high quality foam , soft, durable for long time use. Weaken the sound of the guitar, great for practicing and playing when you don't want to disturb your family or friend. Easy to install and remove, and wouldn't harm the guitar. Lightweight and portable, good for easy carrying and storage. It is a great assistant tool and perfect accessory for electric guitar and bass. Instructions: 1. Applicable to all 6-string guitars. The spacing between strings is slightly different for different guitars. As long as the strings engage into the notch, they can be fixed. In casO of noise, move or rotate the mute slightly until the noise disappears. 2. Recomend to install the mute near the bridge. 3. The mute can not absorb all the sound. Please lean the hypothenar of your right hand against the mute for lower volume. 4. When not in silent used can also be used 8 a picks holder. Tips: Make sure the 6 strings engage into the gaps of the string mute. Soft MaterialMade of Stainless Steel Shell + High Density EVA inner core, protecting the strings well. FunctionThis guitar mute silencer can effectively weaken the sound, makes you practice the guitar while not disturbing other people. Size Each mute measures 80mm x12mm x 12mm. The string mute silencer is useful tool for guitar players. Easy To UseInstalls in seconds, no tools or special installation are required. Widely UsedThe string mute is suitable for any 6 string guitar, bass or acoustic guitar.