Brand new key trigger change capo for acoustic and electric guitar, made of durable steel spring with stable physical force for ideal performance. Quickly and easily released and repositioned without disturbing the tuning. Convenient and portable. Suitable for all guitars, banjo, mandolin or ukulele. Additional Details ------------------------------ Product description: Brand new key trigger change capo for acoustic and electric guitar, made of durable steel spring with stable physical force for ideal performance. Quickly and easily released and repositioned without disturbing the tuning. Convenient and portable. Suitable for all guitars, banjo, mandolin or ukulele.