[High Precision Measurement]Slide ruler and 45 degree square can make precise measurements, Woodworking ruler is very convenient for accurate placement of cuts, The laser etched numbers of the woodworking ruler are highly visible and easy to read. The of the ruler has a layer of glare protection coating. The precise scale of the ruler is clearly visible and the accurate value can be easily read in any light. [CNC Technology Design]Saddle square Woodworking rule, Aluminum framing square is made of aluminum alloy, Tool ruler is made of unique CNC technology. 3D rulers and measuring pocket rulers are not only wear-resistant and rust-resistant, but also light and easy to carry. [Use Function Diversification]Slide ruler for mathematics one thumbscrews keep the slider secure and will not loosen during use, and the adjustable sliding mechanism locks well and tightly, allowing you to measure easily on the . There is no need to reverse the body when measuring, just slide the mark to the left and right, 45/90 Degree Angle Ruler more than ten functions to meet your different needs. [Woodworking Ruler Combination Set] Saddle Layout Square Gauge Woodworking tool rules Includes 1 precision ruler, 1 x 45/90 degree angle woodworking ruler [Suitable For Diverse Scenarios]3D Angle Measuring Tool is suitable for three-dimensional items, is a carpenter's special tool can be used to draw slope and Angle, home decoration, maintenance workers, , installation workers, construction workers, engineers equipped with this multi-functional ruler, a of work needs will be solved. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Red & Black Material:Aluminum Alloy Package Contents: 1x Multi-Angle Measuring Ruler 1x Slide Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.