Ping Geared 14:1 Ratio 6 in-line Mini Tuning Machines for Electric Guitar Gold Gold 6 in-line tuning machines, 14:1 gear ratio 2-pin mount with screw in bushings, Fits 10mm peg holes Post Dimensions: 10 x 26.89mm, Housing Dimensions: 15.47 x 18.57 x 10.73mm Part Number: P2653 Available at Ant Hill Music!