Review on ESS 740 0479 Rplmt Crosshair Clear by David Perry

These crosshairs are an essential tool in the Industrial and Scientific world .They are made to endure the toughest working environments while maintaining a level of clarity and precision that is essential in hazardous areas. The pros include easy installation and increased accuracy when it comes to working with sensitive machinery. The only CON is that they are not universally compatible with all PPE pieces..