Features: Item:Set of 5pcs Bass Guitar Tuning Peg(4R1L). Vintage Open Machine Heads for 5 Strings Electric Bass Guitar Parts Replacement. Location: 4pcs Right and 1pcs Left. Style:Open gear style, you can assemble it so that custom your own side. Heavy duty internal gear. Ferrule,screws are included. Easy to install, convenient to use. Exquisite appearance with perfect workmanship and high-tech finish. The tuning machines turn smoothly enabling the player to tune accurately and easily. Button :half moon plum button, approx. 40.3mm width. Headstock Shaft: approx. 14mm diameter. Material: Metal. Color: Black. Package: 5 x Machine head(4L1R) 5 x Ferrule 20 x Screw Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.