Overview Product Description This offer is for one collet for use with your Musclechuck and router. Router bits with a diamater smaller then 1/2 inch require a collet. Collets are designated by the Inside diameter that matches up with the diameter of the routerbit shank. Product Videos Custom Field Product Reviews Write a Review Write a Review × Musclechuck 1/4 inch ID Collet for any Musclechuck Woodworking quick router bit changer Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *