Straight-line verification with double-sided bevel is designed to test flat surfaces 

using light slits - the light, directly determined by eye.

Permissible deviation from straightness  -No more 0,0016 mm

Dimensions - 125-27-6 mm

bevel angle - 30  degrees

  Material- instrumental alloyed steel.

  There are heat-insulating covers.

Discount for the combined shipping

I will add a tracking number in EBAY