Musiclily Guitar 6-in-line Semiclosed Tuners Tuning Key Pegs Machine Head Set Right Hand for Fender Replacement, Chrome Semi sealed style machine head, mainly for guitar Peg hole size: 1/4 inch( 6mm) Material: metal alloy; Color: Chrome; Gear ratio: 15:1 6 in line set; Nut,Ferrule,Screws are included, ready for use Package included:6 x Guitar Tuning Pegs; 6 x ferrules; 6 x screws