Premium brass and iron construction ensures durability and resistance to corrode, making it a long-lasting addition to your toolkit. Adjustable devise accommodates screwdrivers with handles ranging from 2.5mm to 5mm in diameter, providing versatility for various repair tasks. Compact and lightweight, this sharpening tool is easy to carry in your tool kit, ideal for both professionals and DIY enthusiasts. Effortlessly sharpens precision screwdrivers by holding them at the perfect angle, ensuring efficient and effective blade restoration. Includes one screwdriver sharpening tool, complete with easy-to-follow instructions for optimal use, making it perfect for watchmakers and jewelry repair., Manufacturer: EFNJDKVDY