Large Round Bit Holder, Lazy Susan Rotation. Measures about 6 1/2 inches in diameter by 3 1/2 inches tall. Very nice bit holder for use on your bench. It holds; 1/16 inch shanks, 1/8 inch shanks, and 1/4 inch shanks (or other items like paintbrushes). It is mounted on a lazy susan style rotating ball bearing assembly, whch allows you to spin it around to find the bit you are looking for.