This steel knurling tool set includes 2 pieces of 26mm silver steel dual wheel knurls designed for creating precise patterns on work piece surfaces. The knurling pitch ranges from 1.0mm to 3.0mm, providing versatility for various applications. Each wheel features a twill direction with one positive and one negative roller, ensuring optimal pattern formation. Made from high-strength steel, these knurls offer durability and long-lasting performance. The outer diameter is approximately 26mm with an 8mm hole diameter and 8mm thickness, making them suitable for replacing damaged linear knurl wheels. Ideal for pressing patterns during mechanical processes to slipping, these knurling wheels are a reliable addition to your workshop tools.