Ideal for grinding, repairing screwdrivers, fixing damaged blades, etc. Made of high quality copper material, rust-resistant, durable and not easy to damage. Extra grinding screwdriver tools, suitable for fixing the screwdriver in the grinding process. The screwdriver is fixed at a suitable angle, and the screwdriver is fixed and balanced on the whetstone to roll. Is a very practical tool, suitable for both home and workshop to use for repair work., Weight: 0.1543235834 pounds, Manufacturer: WNSC