0.0125 to 0.2 RA micro m Surface Finish, Nickel, Surface Finish Comparator

0.0125 to 0.2 RA micro m Surface Finish, Nickel, Surface Finish Comparator 5 Specimens, 2-1/2 Inch Overall Length x 5 Inch Overall Width, Includes 0.0125 to 0.2 RA micro m Surface Finishes, Includes 0.5, 1, 2, 4 and 8 AA micro Inch Surface Finishes, Includes Instructions and Case