The AccuSharp 4-in-1 Pruner, Knife & Tool Sharpener offers a versatile solution for maintaining a variety of edges. It utilizes premium diamond tungsten carbide sharpener material and features preset 21-degree angle slots to ensure accurate sharpening results. Designed for safe operation, this red knife accessory includes an integrated thumb rest for enhanced control and stability during use. It is perfect for reviving dull garden shears, utility blades, and everyday cutlery.