ITEM NAME:Chuck Milling Collet Chuck Chuck Head Engraving Milling Woodworking Tools Description: High Precision Electric Router Milling Cutter Woodworking Collet Chuck Head. Adopted high quality steel material, good flexibility and wear resistance. Portable, high precision, tight and stable clamping, improve work efficiency. Chuck head size: 8mm/6.35mm/6mm (0.31inch/ 0.25inch/ 0.24inch). Suitable for engraving machine, wood router. perfect woodworking tool. Specification: Material: Hard Alloy Color: as picture shown Size: approx. 2 x 1cm/ 0.79 x 0.39inch Package Includes: 1 Piece Chuck Head Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test. SKU: DMO0010228860019064.Perfect woodworking tool. 1 Piece Chuck Head. Size: approx. Portable, high precision, tight and stable clamping, improve work efficiency. The color may have different as the difference display, pls understand.