Sturdy MaterialMade Of Ultra-Light Aluminum Alloy, Easy To Carry, With Metal Connections For A Firmer Grip Than Plastic Connections. Smooth And Smooth Edges Prevent Accidental Scratches On The Surfaces To Be Measured.Safe And ConvenientThis Measuring Ruler Can Be Folded To A Small Size Which Is Easy To Store. Lightweight And Portable For Any Construction Site. Foldable And Stored In A Toolbox For Standing Or Hanging On The Belt.PrecisionThis Excellent Multiple Ruler Can Be Measured Accurately In Inches Or Centimeters. All You Have To Do Is Place Your Angle Encoder Where You Need It For An Accurate Mark And Accurate Reading!Easy To Use Simply Place On Your Work Area, Slide The Measurement Tool Corner In The Shape You Want And Tighten The Screws. The Multi-Angle Ruler Can Be Moved And Fixed In Any Position In Seconds To Create Your Own Pattern.Extremely VersatilePerfect For All Tasks And Materials. This Is The Basic Tool For Laying Out Tile, Clinker Brick, Wood And Laminate, As Well As Creating Portholes, Arches, Plumb Line And Any Project You Can Think Of. .