Kala U Bass 20" Scale Fretless Bass Ukulele All Solid Mahogany w/ Case
Amazon.com: Electric Bass Ukulele,AKLOT Baritone Fretless Ukelele Bass Uke 30 inch Ebony African Blackwood Professional E-A-D-G with Gig Bag Strap for Beginner Advanced : Musical Instruments
Acoustic U•Bass, Kala Journeyman Ukulele - Wild Acoustic Music Co
Kala UBass Fretless U-Bass Acoustic-Electric Ukulele Bass -SCP-FS – iPawniShop
U-Bass Exotic Mahogany, Fretless, with Deluxe Bag | W-Music Distribution