Aquila Thundergut® Bass Ukulele Set 68U 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. Please note: The 4 string set is predominately designed for Kala U-Bass & Ashbory basses (18"-21" scale) Do not use on longer scale instruments. String Gauge: G 2.40mm D 3.00mm A 4.20mm E 5.00mm
