Description: Excellent workmanship, polished appearance and wonderful color Exquisite and high quality for your guitar machine head tuning peg Big square shape Use file to enlarge the hole Material: Zinc alloy Color: Silver Size Chart: Installation hole dimension: Approx (L x W)3.2mm x 4mm/ 0.12 x 0.15inch Length: Approx. 22.2mm/ 0.87inch Package Includes: Set of 6 Tuning Pegs Button 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 1-2cm error in size