Description: 4x2x1-3/16″ (width x height x thickness) adjustable angle gage block.0-60 degree adjustable angle by locking the hex screw on bottom.Angle of V-90 dgree.Squareness 0.0002″HRC 50-55 hardness.Angle accuracy +/-10 minutes Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application