The Helix T-Square for technical drawing. Made from clear, blue plastic, the T-square has mm and cm on one side of the ruler and inches on the other side plus a hole at the end for hooking on a wall for safe storage. Available in 2 sizes, 45cm (A3) or 65cm (A2).
Helix T-Square – Plastic, 2 sizes
£6.17 – £7.75