Fowler 3X - 7X LED Magnifier Fowler SM300 Vertical Optical Comparator Perfect for applications where the

Perfect for applications where the stand is moved and/or needs to be transported from location to location

• FREE NIST Certification included

• Each 12 block set includes 1 thru 5° blocks in 1° increments and 5° through 30° blocks in 5° increments as well as1⁄4° & 1⁄2° blocks

3"/160mm or 7

• Rust and wear resistant for durability

Fowler 3X - 7X LED Magnifier Fowler SM300 Vertical Optical Comparator Perfect for applications where theFeatures: Economical and easy to use Built in illumination for easy viewing Perfect for checking intricate parts and small mechanisms White LED bulb and Ultraviolet LED bulb 200 hour battery Replaceable batteries