Amana Tool 51444 SC Spiral 'O' Single Flute， Plastic Cutting 1/4 D x 7/8 CH x 1/4 SHK x 2-1/2 Inch Long Up-Cut CNC Router Bit with Mirror Finish</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31HsxLx9fEL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41edbvrh59L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Dj6plwpPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51wpzUpHZ%2BL.jpg' noproxy></br>