Upgrade your woodworking experience with the Big Horn 19694 1/2" Router Collet, a perfect replacement for the Porter Cable 42950. This top-quality collet is designed to enhance your woodworking precision, making it perfect for any professional or DIY project. Crafted with superior quality materials, this collet is built to last and withstand heavy use. The Big Horn brand is known for its exceptional performance, and this router collet is no exception. Buy now and take your woodworking game to the next level.