Kinex Stainless Steel and Steel Straightedges DIN 874 00 accuracy level Gouges Canada Accuracy Class 0 to DIN

Accuracy Class 0 to DIN 875 is equivalent to a squareness of better than 0

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Although these sharpening stones don't need to be flattened as often as waterstones

It is about 250 mm (10") in length

All blades are hand polished

Kinex Stainless Steel and Steel Straightedges DIN 874 00 accuracy level Gouges Canada Accuracy Class 0 to DINThese straight edges are made from stainless steel or steel that has been hardened to HRC55 and carefully stress relieved before final grinding and lapping so that their dimensions will remain stable over time and with changes in ambient temperature. They are very useful for checking the straightness of a variety of items and the stainless versions are ideal for checking the flatness of sharpening stones to decide when they need to be flattened. They