MATERIAL: Body of the holder is made of tool steel, durable in use. 5 x Spare HSS knurls along. High strength and hardness. Anti-rust resistant, high processing efficiency. Rigidity, wear resistance, anti-demolition damage strength. FEATURE: Supplied with 3 Pcs HSS rollers in diamond & straight pitch in Coarse, Medium (*straight medium knurl fitted in the tool holder) & Fine each. So the set includes 1 x knurling tool holder & 5 spare HSS knurls. SIZE & COLOR: Black (Knurling) holder size 10 x 10 x 100 mm. HSS Knurl 3/4" (diameter) x 1/8" (wide) x 1/8" (bore); USEFUL: Ideal for replacing your damaged Linear & diamond knurl wheel. Used for processing the work piece surface pattern. USEFUL: Ideal for replacing your damaged Linear & diamond knurl wheel. Used for processing the work piece surface pattern. PACKAGE: Include 1Pc Knurling and 5 Pcs knurling wheels Crafted from durable tool steel, this knurling tool holder comes with 5 spare HSS knurls, each exhibiting high strength, hardness, and resistance to rust, ensuring long-lasting use. The set also includes 3 HSS rollers in diamond and straight pitches (coarse, medium, and fine), providing versatility for various surface patterns. Measuring 10 x 10 x 100 mm in black, the holder offers both durability and a professional appearance. The HSS knurls measure 3/4" in diameter, 1/8" wide, with a 1/8" bore. Ideal for replacing damaged linear and diamond knurl wheels, this tool is perfect for efficiently processing workpiece surfaces. The package includes 1 knurling tool holder and 5 knurling wheels, offering a comprehensive solution for precision knurling tasks.