Precision-Engineered: These hardened milling tool blocks boast an impressive tolerance of 0.0002 inches (0.005 millimetres), ensuring unparalleled accuracy for your metalworking projects. Durable Construction: Crafted from high-quality, ground and hardened steel, these blocks offer exceptional durability and long-lasting performance. Versatile Application: Suitable for a wide range of milling operations, these blocks are an indispensable addition to any machinist's or engineer's toolkit. Precise Dimensions: Each block measures precisely, allowing for meticulous setups and adjustments during the milling process. Easy Identification: The blocks feature a distinct, cylindrical design with evenly spaced holes, making them easily recognisable and convenient to handle., Manufacturer: Madlife Garage