0.2 to 6.3 RA micro m Surface Finish, Nickel, Surface Finish Comparator

0.2 to 6.3 RA micro m Surface Finish, Nickel, Surface Finish Comparator 6 Specimens, 2-1/2 Inch Overall Length x 5 Inch Overall Width, Includes 0.2 to 6.3 RA micro m Surface Finishes, Includes 8, 16, 32, 63, 125 and 250 AA micro Inch Surface Finishes, Includes Instructions and Case