Import bass keys, 4-in-line, open gear, with hardware, 20:1. Get the sound you want and the performance you need with these Open Gear, 4-in-line, Import Bass Keys. The sleek open gear design and high-quality hardware provide a reliable and stylish solution for your 4-string bass guitar. Allparts #TK-7946. Twin Town Guitars does guitar repairs on instruments, electronics, and do Plek work! • MFSKU TK-7946-010 • UPC 645208019661