Description: 4mm guitar adjusting wrench with wooden handle. High quality and brand new. Adjust guitar neck straight, durable and sturdy. Best choice for DIY handmade guitar. Suitable for mandolin ukulele guitar. Material: Metal, wood Size Chart: Dimensions: Approx. 11.7×2.8×1.8cm/4.60×1.10×0.71inch Package Includes: 1 Piece Guitar Adjusting Wrench 1 Piece Wooden Handle 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