4-string set.

E, A, D, G.

Designed for U bass & Ashbory bass of 18" to 21" scale.

Gut coloured (yellow brown).

Made in Italy

Thundergut is a special very elastic and dense material developed by Aquila in their headquarters that assure superior performances over the common polyuretane and silicon rubber bass strings available in the market.

Thundergut assures fast and stable intonation; no sweat finger’s slip on the strings, powerful performances