EDGE STABILITY IN BUTCHER'S AND KITCHEN KNIVES - Printable Version
Laser Knife Edge Reader
WEN Adjustable Aluminum Protractor and Angle Gauge with Laser Etched Scale ME512P - The Home Depot
LASER GONIOMETER | sharpeningtool
Digital Angle Finder with Electronic Laser - 4-side Strong Magnetic Angle Gauge, Cube Inclinometer with Backlight, Table Saw Miter Protractor, Woodworking Measuring Tool, Level Box for Hanging - - Amazon.com
Adjustable Woodworkers Edge Rule, Edge Ruler Woodworking Woodpecker, 0-70° Adjustable Protractor Angle Finder Ruler or Furniture Repair, A Great Gift (20 in) - Walmart.com - Walmart.com
Laser device for edge angle determination
WEN Adjustable Aluminum Protractor and Angle Gauge with Laser Etched Scale ME512P - The Home Depot