The Groomer's Warehouse #30W A Series Clipper Blade is expertly crafted from high quality Japanese high carbon steel, heat treated and ice tempered for unmatched longevity. Its rust-resistant, durable design ensures a cool, sharp cut every time. Ideal for larger animals, with a cutting length of 1/50"-0.5mm and compatible with most pet and equine clippers. Trust in its impressive HRC62 Rockwell harness scale for fast, precise trimming.