The Ernie Ball Pegwinder Select is a high-quality string winder, precision-molded for quick and effortless string changes. Thanks to its universal design and integrated bridge pin puller, the Pegwinder Select is suitable for most electric and acoustic basses. Features include a compact, comfortable grip and with the Pegwinder's non-abrasive socket head, you'll never worry about damaging your instrument's tuning keys. This compact bass string winder fits easily in most gig bags and makes a great addition to any musician's tool kit.