Liquidraw Set Square Ruler Triangle Triangular Protractor 25cm / 10" Navigation Nautical Marine

TRIANGULAR SET SQUARE: Clear acrylic set square ruler with triangular protractor design; useful for navigation, nautical work, maths, geometry, technical drawing & drafting tasks MM & CM SCALE MARKINGS: Graduated millimetre & centimetre scale helps support measuring, drawing straight lines, angles, layouts & diagrams for school, office, design or professional work SEMICIRCULAR PROTRACTOR: Built-in semicircular protractor helps measure & draw angles, making this set square useful for engineering, architecture, geometry, art & craft projects CLEAR ACRYLIC DESIGN: Made from strong transparent acrylic plastic so markings, paper, plans & drawing lines stay visible underneath; bevel edge supports cleaner, more controlled line work WOODEN HANDLE GRIP: Raised wooden handle helps lift, move & hold the ruler in place while drawing; practical for architects, engineers, students, artists, marine users & technical professionals