Features & Benefits
- Surface Finish Comparators: Handy and inexpensive
- Range: 16 to 500 Microinch Finish
- 18 Specimens: Machining Method....... Microinches (AA or Ra)
- Versatile - Specimens include Mill, End Mill, Grinding, Shape Turning, and Flame Cut
- Convenient - Pocket Size (3 1/2 x 5), Weight: 1 oz.
- Made of tough, scratch Resistant ABS Unbreakable Plastic