GRINDING WHEEL DISCRIPTION Size : 100 x 2.2 x 16mm. 100 x 4 x 16 mm. 100 x 6 x 16 mm. 125 x 6 x 22 mm. 180 x 6 x 22 mm. CUTTING DISC DISCRIPTION Size : 4" (105 x 1.5 x 16 mm.) 7" (180 x 2.0 x 22 mm.) 10" (225 x 1.2 x 31.75 mm.) 14" ( 335 x 3 x 25.4 mm.) 16" ( 405 x 3 x 25.4 mm.)