Master Mechanic, Grinding Point Assortment, Contains An Assortment Of 10 Different Styles Of Grinding Points, 1/4" Shank Fits Die Grinders & Drills, Use For Grinding & Shaping All Types Of Metals, Includes 5 Each Of Following: Style A5, 3/4"D x 1-1/8"L, Cone Shaped, Style A12, 11/16"D x 1-1/4"L, Cone Shaped, Style A14, 11/16"D x 7/8"L, Cone Shaped, Style A22, 3/4"D x 5/8"L, Half Round Shaped, Style A32, 1"D x 5/8"L, Cone Shaped, Style A37, 1-1/4"D x 1/4"L, Cup Shaped, Style A39, 3/4"D x 3/4"L, Cylinder Shaped, Style A40, 3/4"D x 3/4"L, Round Shaped, Style W206, 3/4"D x 1-1/4"L, Cylinder Shaped & Style W217, 1"D x 3/8"L, Wheel Shaped.