Celestini with spruce top, maple back and ribs, hand carved bridge, 26 to 1 ratio multi-teeth Tyrolian style tuning gear. Adjustable end pin, flexible hanger, excellent quality strings. The bass is professionally set up so that besides sounding and looking great, the strings are very very easy to press down without buzzing. Educator approved. Warranty & instructional book with cd & dvd are included. Please include your phone number for quicker response.