Adjustable Arm 0-180 Degrees Stainless Steel Woodworking Goniometer Ruler

Features: 1.Material: made of stainless steel with and wear . Smooth surface thickened design not easy to deform durable. 2.Clear scale: clear scale stable wear resistance easy and fast reading and measurement very convenient for you. 3.Adjustable goniometer arm: The measuring tool has a adjustable goniometer arm which can be locked in the desired position by means of a knurled lock nut; it can quickly and easily identify and mark angles. 4.Range: Any angle from 0 to 180 degrees can be easily measured with a swing arm. 5.Wide Use: Very suitable for drawing architectural design carpentry angle and length measurement etc. Specifications: Material: stainless steel Color: silver Size: (Approx) 10cm/3.9inch 14cm/5.5inch 15cm/5.9inch 10cm - L 197mm/7.75inch Semicircle dia 90mm/3.5inch Semicircle H 52mm/2.04inch ruler W 14mm/0.55inch thick 1mm/0.039inch 14cm - L 197mm/7.75inch Semicircle dia 90mm/3.5inch Semicircle H 52mm/2.04inch ruler W 14mm/0.55inch thick 1mm/0.039inch 15cm - L 282mm/11.1inch Semicircle dia 160mm/6.3inch Semicircle H 83mm/3.26inch ruler W 16mm/0.63inch thick 1.1mm/0.04inch Package Included: 1 PC x Goniometer Ruler