90 Degree Triangle Ruler Key specifications Product Name: 90 Degree Triangle Ruler Material: Plastic Weight: 14 g Package Content: 1 x 90 Degree Triangle Ruler Scale sizes: 57 mm, 76 mm, 100 mm Main Color: Clear, (89dec8cf-c652-11e9-a051-4cedfbbbda4e Why you need this ruler Precise right-angle layout: Provides a reliable 90° edge for drawing, measuring, marking, and checking squareness on small projects. Clear visibility: Transparent plastic lets you see underlying work and align marks accurately without shifting reference lines. Portable and lightweight: At just 14 g, it’s easy to carry in a pencil case, tool bag, or sewing kit for on-the-go tasks. What makes it stand out Multiple scale options: Three compact scales (57 mm, 76 mm, 100 mm) give short-distance measurement choices without needing a longer ruler. Durable plastic construction: Lightweight yet sturdy enough for everyday use in school, hobby, and light workshop settings. Single-piece convenience: Supplied as one unit — ready to use straight from the package. Practical uses and compatibility Drawing and drafting: Use for quick perpendiculars, short measurements and clean line work with pencils, pens, or fine markers. Woodworking and model making: Mark and check small squares, set up joints, and verify 90° corners on small parts or models. Sewing, quilting and crafts: Align patterns, mark seam allowances and ensure right-angled cuts on fabric or paper. Performance notes Accurate right-angle reference for routine tasks where small, reliable measurements are required. Clear plastic minimizes visual obstruction so you can place measurements directly over the work surface. Compact scales are suited to close-up work; for longer straight lines use in combination with a longer ruler if needed. Included in the package 1 x 90 Degree Triangle Ruler (Plastic, 14 g) with 57 mm / 76 mm / 100 mm scales and main color Clear, (89dec8cf-c652-11e9-a051-4cedfbbbda4e