<b>About the brand:</b> <br> <br><b>Welcome to the “AROYEL” brand store. We have the professional quality inspection team and after-sales customer service, try our best to ship the most satisfied and cheap products to customers. May you have a enjoyable shopping experience from here!</b> <br> <br><b>Feature:</b> <br> <br>Made of ABS engineering material,durable. <br>Bottom strong magnetic design, can be fixed on metal for easy measurement and recording (slope measuring instrument is divided into "magnetic" and "non-magnetic") <br>Fluorescent blisters, high-fluorescence blisters, which can be clearly seen at night. <br>Angle comparison table, product back leaf 05.13 slope comparison table, easy to use comparison <br>High precision bevel protractor declinometer: slope, horizontal and vertical <br>Specification: <br>Size: length: 250mm, height: 125mm <br>Test range: 130 -0 degree (50 degree -90 degree -0 degree -90 degree -50 degree) 1 minute~8 points (0.5 points scale), 10%, 12%, 15%, 18%, 20% <br>Accuracy: Â±1 degree <br>Use: <br>Civil engineering (city wall construction, dam engineering, pipeline engineering and other engineering construction projects. Interior decoration engineering, other engineering related to the slope and inclination angle) <br> <br>DIY Supplies:WoodworkingMeasurement Range:Other--Material:Plastic-- <br>Caliper Type:Dial Calipers <br>Included: <br>1x Slope Measuring Instrument