Description Reviews Description: One turn equals one tone on every string. Diecast housing with hardened gears. Locking wheel for fast string changes. 12 to 1 - 39 to 1 gear ratio. Small contemporary buttons. Includes 4 different sets of InvisoMatch aluminium mounting plates for easy installation. Singles. 7-in-line. (0 ) Reviews: No reviews yet. Be the first to review! Write a Review Your email address will not be published. Required fields are marked. You must be logged in to post a review.