DMT Diamond is a portable sharpener for home or in the field. Rods and hand guide store within its handle for easy storage and carry. Easy dial angle guide for 5, 10 and 20 degrees. Rods 2.83 inch. Model itself is 6 3/16 inch x 2 1/4 inch x 1.5/16 inch. Sharpening rods made in USA other components made in China.