Dunlop 83CM Acoustic Curved Trigger Capo, MapleSuitable for use with most steel 6 string acoustic guitarsThe Dunlop Trigger Capo is quick and easy to put on your guitar. The spring-loaded design means no fiddling with tension screws, just pop it on your guitar and play - perfect for gigging musicians. Constructed from aircraft quality aluminium.Curved capos are designed for use with guitars that have a curved fretboard, typically found on electric guitars and steel string acoustic guitars.