Trend DAR/200 Digital Angle Rule 20cm The Trend DAR/200 digital angle rule doubles as an angle finder as well as a rule. It calculates angles quickly and accurately and is ideal for use in all woodworking, construction and machining applications. This model is extendable to 400mm making it the perfect tool for any tradesman. It is perfect for finding both internal and external angles and is small enough to store in your back pocket. Features: 400 mm stainless steel rule with metric and imperial scale Calculates angles quickly and accurately Ideal for woodworking, construction and machining Digital angle display is clear and has 2 button operation and easy calibration Stainless steel rule with metric/imperial scale, scale length 200 mm and 7 inch Measuring range from 0° to 360° with an accuracy of 0.3° Accuracy of 0.3 deg The rule locking function is lockable in any position Auto-shutoff in 6 minutes to preserve battery life Changing the battery is simple A separate carry case is available Comes with: 1 x 3V CR2032 lithium battery Optional accessory - CASE/DAR/200 Carry Case Specification:  Measuring range: 0 deg to 360 deg  Resolution: 0.1 deg  Accuracy: 0.3 deg  Weight: 162 g  Net Weight: 0.211kg