Collet Chuck, Straight Shank Double-Angle Extensions, Capacity 0.031 - 0.250, DA300, Shank Dia 0.5 In, Shank Length 5.5 In, Overall Length 6.822 In, Nut 0.562 In, Dia 1.322 In, For Use With DA300 Collets. This item has been restricted from sale in the following state (s): []