This gauge set is made of hardened and tempered 1mm thick stainless steel. The set has a range 5° to 90° in 5° increments giving a total of 18 individual gauges. Each gauge allows you to check both internal and external angles.
The Angle Gauge set is one of the most useful gauges for general-purpose fabrication workshop, woodworkers, engineers and tool and die makers. Supplied in a plastic wallet, range: 5° to 90° in 5° increments (18 pieces).