– MAKE READING EASIER – Relieve Eye Strain with the perfect tool For Dyslexic Children
– REDUCE VISUAL STRESS – The Tinted Transparent Sheets Reduce The Contrast Of The Pen And Paper
– SUITABLE FOR ALL AGES – From Primary School & Secondary/Post-Secondary School, Home or Office Aid
– Comes in a case with a transparent lid
– Contains: Compass set containing compass 552 with lead part, extension bar, universal adapter, spares box and free mechanical pencil & lead tube
– Length of compass: 17 cm
– Maximum diameter of the circle 35 cm approx., with extension 58.5 cm approx
– Quick adjustment compass using keys and precision central wheel
– Articulated legs
– Interchangeable lead with shank diameter 4 mm
– Interchangeable needle
– Mars 0.5 mm mechanical pencil and lead tube
– Hinged pencil and needle leg.
– Interchangeable needle and interchangeable lead part with 4?mm shank.
– Max. circle diameter: 350 mm / approx. 585 mm with extension bar.
– Length: 170 mm.
– Box contents: Compass with push button mechanism and spindle guide, spring bow-head with centre wheel?plus free clutch pencil with its leads?
– 3 Colours to choose from: Green, Pink or Grey
– Comes with metal legs and universal adapter for holding any stationery (pen, felt-tip pen, pencil)
– Ergonomic functionality & easy-to-grip compass head
– Its box also functions as a ruler
Including 130mm Classic Technical Compass, 105mm Precision Thumbwheel Compass, 140mm extension arm, Replacement 2mm leads, pen adaptor and replacement screw
– Quick Adjustment: ideal for fixing radius measurements
– Micrometric screw: precise measurement adjustment
– Kneepads branch: Stability and precision of the line
– Maximum diameter: 52cm with extension
– Quick Adjustment: ideal for fixing radius measurements
– Micrometric screw: precise measurement adjustment
– Kneepads branch: Stability and precision of the line
– Maximum diameter: 30cm
Including extension cord, 2mm lead case, pencil holder and spare screw
– Quick Adjustment: ideal for fixing radius measurements
– Micrometric screw: precise measurement adjustment
– Kneepads branch: Stability and precision of the line
– Maximum diameter: 30cm
Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts.
The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.
Made of transparent plexiglass; high accuracy, fine finish
– A reliable plotting tool, it provides a convenient method of accurately marking off distances
– This divider can be opened and closed with one hand while performing chart work
– An 8″ divider made with high quality stainless steel
– Looks great as part of a nautical instrument collection or display supplied with brown leather Pouch