<p>Features:</p> <p>Made of high quality carbon steel, sturdy and durable for long service life.</p> <p>8 different types to meet your different needs.</p> <p>Start slowly, wait for the balance to improve, you can accelerate slowly.</p> <p>The high-precision wood router chuck can be perfectly combined with your engraving machine to clamp the engraving machine stably and improve work efficiency.</p> <p>Please make sure the router collet extension is installed correctly. Please note that the extension rod must be firmly fixed; while the collet nut only needs to be tightened with the same pressure as any router collet.</p> <p></p> <p>Specifications:</p> <p>Material: Carbon Steel</p> <p>Type: 8 Types</p> <p>(Optional)</p> <p>6mm Shank to 6mm Shank (A)</p> <p></p> <p>1/4" Shank to 1/4" Shank (B)</p> <p></p> <p>1/4" Shank to 8mm Shank (C)</p> <p></p> <p>8mm Shank to 12mm Shank (D)</p> <p></p> <p>8mm Shank to 1/2" Shank (E)</p> <p></p> <p>8mm Shank to 8mm Shank (F)</p> <p></p> <p>12mm Shank to 12mm Shank (G)</p> <p>1/2" Shank to 1/2" Shank (H)</p> <p>Package Size: 100*30*30mm/3.94*1.18*1.18in</p> <p>Package Weight: 110g/3.88oz (A, B, C);</p> <p>135g/4.76oz (D, E, F);</p> <p>145g/5.11oz (G, H)</p> <p></p> <p>Packing List;</p> <p>1 * Router Collet Extension</p>