<p>Router collet extension for 1/2'' shank bits, need to tighten with wrench to prevent bit from falling out.</p> <p>Made of heavy-duty steel for long life, convenient to use.</p> <p>Eliminate the dangerous temptation to pull the shank off the collet, extend the bit to provide the full depth of cut.</p> <p>Make you more efficient in processing products, suitable for wood cutting, milling, engraving.</p> <p>Package content: 1 x 1/2'' shank collar extension</p> <p>Product description</p ><p>Feature of Clamp Extension:</p> <p>This clamp extension is made of industrial grade material, high precision, strong and sturdy for long service life.</p>< p>This router collet chuck provides the extra cutting depth needed for many routing tasks.</p> <p>Easy to use, better to control, it will improve your work efficiency. Use it to achieve full depth of cut when machining dovetail flutes, ideal for your woodworking.</p> <p>Collet Extension Specifications:</p>< p>Material: Hard Alloy</p> <p>Black Color</p> <p>Shank Diameter: 1/2 inch / 12.7mm</p> <p>Holder Diameter: 1/ 2 inch / 12.7 mm</p> <p>Total Length: 84 mm</p> <p>Package Included:</p> <p>1 x Router Clamp Extension</p> <p> Note:</p> <p>1. The speed reaches 20000 RMP</p> <p>2. Cannot be used for iron products, be careful if there are nails in the board or the like</p> <p>3. Please take protective measures when using</p>