Koh-I-Noor- Set of 3 Electro Templates Set of 3 Electronic Electrical Symbols Drawing Template Stencil Dimensions: 210 x 90mm (each), Thickness: 1.5mm. Made from transparent, grey dimmed plastic. I - General Symbols: circles, triangles,squares, rectangles, data flow chart symbols, sinusoid symbols, polarity symbols in different sizes II - Electronic Circuit Symbols: capacitor, switch, transformer, terminals, rectifier diode, transistor, loudspeaker, earth, resistor symbols III - Electrical Layout Symbols: lights, socket, earth, delta and star, aerial, speaker, and many other symbols in different sizes. The rate of transparency allows to see the drawing medium below template for easy positioning.