The 2-Pins tuner fits Squier Strat guitar only - direct replacement, will not fit a Fender USA/Mexico Strat/Tele, please check your machine head pin before you buy, there are single pin or 2-pin setting for Squier guitar.,Fits for standard 10mm (13/32") peg holes,Full alloy metal made, Sealed Style tuning keys, die cast, 1:15 gear ratio. Compare to Squier Affinity's original 1:14 tuner, these tuners are better quality.,Mounts with 2-pin arrangement on back side instead of screw tabs, so no screws need. Includes all mounting nuts and bushing.,Package Includes: 6 Pcs Guitar Tuning Pegs