Made of high-grade alloy for durability and performance, ensuring long-lasting use. Adjustable size feature securely holds various types of screwdrivers at the optimal angle for effective sharpening. Compact and lightweight devise makes it easy to carry in your tool kit, perfect for both home and professional use. Enhances your repair efficiency by allowing for precise sharpening of screwdrivers and fixing damaged blades. Ideal for watchmakers and DIY enthusiasts, this tool is a must-have for any jewelry repair or maintenance task., Manufacturer: RXLDYBROG