Thundergut logo"" data-medium-file=""https://i1.wp.com/aquilacorde.com/wp-content/uploads/thundergut.jpg?fit=300%2C300&ssl=1"" data-large-file=""https://i1.wp.com/aquilacorde.com/wp-content/uploads/thundergut.jpg?fit=300%2C300&ssl=1"" class=""aligncenter size-thumbnail wp-image-1464"" src=""https://i1.wp.com/aquilacorde.com/wp-content/uploads/thundergut.jpg?resize=100%2C100&ssl=1"" alt=""Thundergut logo"" width=""100"" height=""100""> Thundergut® is a special very elastic and dense material developed by us in our headquarter that assure superior performances over the common polyuretane and silicon rubber bass strings available in the market. Thundergut® assure fast and stable intonation; no sweet finger’s slip on the strings, powerful performances. Gut color: Yellow brown
