Fast adopted, has good flexibility and wear resistance. Convenient and efficientPortable clamping, high precision, tight and stable, improve work efficiency. ApplicationSuitable for engraving machine, wood router, cutter engraving machine, etc. Size8mm/6.35mm/6mm(0.31 inch / 0.25 inch / 0.24 inch). Package Content6PCS * Router Pliers (2 pieces per size) Features: Tight and stable clamping. Flexible, wear-resistant and durable. Ideal helper to improve work efficiency. Suitable for car building, mold making, carpentry tools. Material: high speed steel Router collet size: 8mm/6.35mm/6mm (0.31 inch / 0.25 inch / 0.24 inch). Note: Due to manual measurement, there may be 0-3mm error. The color in the picture may not be completely the same with the actual item due to shooting method and display device. Package content: Router collets 2 x 6 mm 2 moulder collets 6.35 mm Router collets 2 x 8 mm