The Jim Dunlop 87N Trigger electric capo provides positive, accurate clamping for electric guitar fretboards. Made to provide scratch-free performance, the low-profile 87N will stay clear of your fingers. When you need quick key changes without retuning, a quality capo is a must. Dunlop capos are made to do the job right. This unit is constructed of quality aircraft aluminum for reliability and a light weight. If you want a great-performing capo that's made to last, choose the Dunlop 87N Trigger electric capo!