General description Fastly adopted, the 6pcs HSS Chuck Head Milling Cutter Collet Head Adapter Converter offers good flexibility, wear resistance, and durability. It is designed for high precision and firm, stable clamping, making it an ideal helper to improve work efficiency. This product is suitable for various applications including engraving machines, wood routers, and cutting engraving machines. Technical specifications Material: High speed steel Milling pliers sizes: 6 mm (0.24 inch), 6.35 mm (0.25 inch), 8 mm (0.31 inch) Package content: 6PCS router clamps (2pcs per size) Other information Note: Due to manual measurement, there may be an error of 0-3 mm. The color in the picture may not fully match that of the item due to the shooting method and display device.