Router Collet Extension Bit Milling Cutter Extension Shank, Accessory for Engraver and Precision Tool - 8mm Shank

Features:1. Made of high quality carbon steel, sturdy and durable for long service life.2. 3 different types to meet your different needs.3. Start slowly, wait until the balance improves, you can speed up slowly.4. The high-precision woodworking milling cutter chuck can be perfectly combined with your engraving machine to clamp the engraving machine stably and improve work efficiency.5. Please ensure that the router collet extension is correctly fitted.Please note that the extension shank should be fixed firmly, while the collet nut should be tightened only with the same pressure as any router collet. Specifications: Material: Carbon steel Type: 3 types (optional) 1/4 shank (A) 1/2 shank (B) 8mm shank (C) Package size: 120*70*20mm/4.72*2.76*0.79inPackage Weight:110g/3.88oz(A)85g/3oz(B)135g/4.76oz(C)Packing List;1*Router Bit Adapter