MAHR 2257488 Roughness Standard: One Sided Type 521E Cert w/ 2Um Stylus Brand: Mahr ID#: 2257488-MHR |MFGID: 2257488 Your Price: $573.49 Quantity discounts available QuantityPrice Return Policy Qty -+ Add to Cart Request Info Questions?CallCall Us864.433.9771|Mon-Fri 8-5 EST Share Print Product Info Product Information Description Mahr 2257488 Roughness Standard: One Sided Type 521E Cert W/ 2Um Stylus