LOVIVER Router Collet Extension Rod Chuck Holder Extender Adapter for 1/2 Inch, 1/4 or 8mm Shank Drill Bit 6.35mm

High precision, stable performance. Durable and practical to use. Shank diameter(optional): 1/4inch (6.35mm),0.31inch (8mm), 1/2inch (12.7mm), Overlength: 3-1/2 Eliminate the dangerous temptation of withdrawing the shank from the collet, extend the bit to provide the full depth of cut Make you more efficient to process products. Material: harden steel,sturdy and durable for long life, Manufacturer: LOVIVER