Description
Blastline 372/3 Flash Magnifier With All Three Discs
- Complies with ASTM D-4417
- Size - (Disc) 3" Diameter
- Size - (Magnifier) 8-1/2" x 2-3/4"
Compact, extremely durable reference discs designed to visually determine the surface profile of blast cleaned surfaces. Blast cleaned surface is compared with the reference disc through the illuminated magnifier. Standard kit consists of a reference disc, a 5X illuminated magnifier, and a vinyl disc case. Each disc is a high purity nickel electro-formed copy of a master disc duplicated to within +/- 50 microinches. Discs available for use on sand (s), shot (sh), or grit/slag (g/s), blast cleaned surfaces.