This is a Glider capo made by Greg Bennett. It's a roller-type capo that allows you to easily change keys by sliding it across the strings. The spring tension is good, and it holds the neck securely. Operation has been confirmed. It works without any problems. There is some wear and tear, but there are no noticeable scratches or rust. As a guitar accessory, it's recommended for live performances and practice. ・Manufacturer: Greg Bennett ・Model: Glider Capo (Rolling Capo) ・Color: Black x Silver ・Condition: Good Used Condition Instant purchase OK. Will be carefully packaged and shipped.