Description: Material: This guitar tuning peg uses zinc alloy as the material which is wear resistant and durable so that can be reused for a long time. Replacing part: The guitars keys tuner is suitable to be used as a spare part to replace the old or broken part of the electric guitars. Easy to install: The musical instrument replacement part is small in size and lightweight so that can be installed on the stringed instruments. Wide usage: The stringed instruments buttons knobs handle has a wide range of usage which can be used in most kinds of electric guitars and acoustic guitars. Gifts: The instrument replacement accessory is suitable to be a gift to your friends or families who likes playing the guitars no matter he is a professional or beginner. Specification: Color: Silver black gold. Material: Zinc alloy. Appearance size: Width: Approx. 19.5mm/0.76inch. Mounting hole size: Approx. 3.15x3.8mm/0.12x0.14inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 6 Pieces Guitar Tuning Peg Knob Handles. 6 Pieces Mounting Screws. 6 Pieces White Plastic Mounting Sleeves. 6 Pieces Metal Mounting Ferrules.