High Quality Plastic MaterialThe Woodworking 90 Square Positioning Is Made Of High Quality Abs Plastic, Which Features High Hardness, Toughness And Durability, Wear Resistance And Drop Resistance . High Quality Plastic Material, Not Easy To Deform, Easy To Carry, Is A Good Helper To Do Carpentry Yourself. 22.5 Degree And 45 Degree Scale, Which Are Convenient For Measuring Angles, With Clear And Highly Wear-Resistant Scales, Allowing You To Quickly Measure And Read Data, Saving A Lot Of Time For Your Work Of The Wood Production. Widening And ThickeningThe 90 Right Angle Woodworking Ruler Adopts Widening And Thickening Design, Which Expands The Scope Of Application. -Angle Clamps And Other Blessing Tools Can Quickly Fix 90 Squares. Create A Square EdgeThese Handy And Practical Board Mounting Aids Are Convenient And Practical, Simple To Use, And Can Help You Check Whether The Card Connection And Binding Are Normal. It Can Be Used For Carpentry And Welding To Help You Finish The Job In A Time-Saving And Labor-Saving Way. Package ContentsThe Set Contains 6 Pieces Of 4 Inch To 90 Degrees (10X10X1.5Cm), The Size Is Shown In The Picture. Plastic Right Angle Positioning Board, Suitable For Drawers, Cabinets, Frames, Furniture Cabinets, Etc. Helps Hold The Perfect Square Frame Or Almost Any Box When Assembling