The Thumper Upright string bass outfit is a quality 3/4 size bass, perfect for bluegrass. It features a laminated spruce top, laminated maple back and sides, solid maple neck, ebony fingerboard and Helicore Orchestra strings. The nut and saddle are crafted of ebony, and it has an adjustable maple bridge. Inlaid purfling enhance the charm and beauty of the instrument, as does its shaded matte finish.

The Thumper Upright comes with a padded gig bag.