The Derwent Scale Divider is a great tool to help with increasing or decreasing the scale of your subject. Use the Derwent Scale Divider to help transform the scale of your image with accuracy and control, transfer measurements from photographs, paintings and more with ease onto paper, achieving accurate proportions every time. It folds away so can easily be slipped into a backpack or pencil case if you are using it outdoors. Reduce or enlarge images in ratios from 4:1 to 1:4.

This Jakar compass comes in a plastic case for storage and transport. One of its legs bears a sharp point which will stabilise the compass on card, cardboard or board; the other leg bears an adjustable graphite point. The legs are geared, and will splay to horizontal, making it possible to draw perfect circles with a circumference of 113cm.Comes with a spare point and two spare graphite points.

A metal compass set for technical and school purposes. This small set is able to tackle even the most demanding of mathematical, scientific and architectural structures.

Contents Include:
1 x Compass1 x Spare Needle

Ideal for school, college or office work, this Student Drawing Set of 5 from Jakar includes a 1-138mm long self centring geared head compass with a knee joint, swivel shoulder needle unit & pencil attachment, 1 divider attachment, 1-92mm long reversible spring bow for pencil/pen divider work, 1 knee-joint lengthening bar and 1 lead container with 2 leads. 

This large wooden compass is designed for use with marker pens such as Posca markers or Sharpies. Attach it with the rubber suction device to a surface such as a wall or window and it will rotate freely around that point, allowing you to draw perfect circles.Features an adjustable holster which grips marker pens of various sizes - just insert the pen and twist the screw to tighten.Suitable for drawing circles up to 40in.

Compass set with extension arm, dividers, spare leads and pencil attachment

The TechnoArt Blackboard Compass and Divider is the perfect addition to any classroom.

Quickset compass Grip 2001 design. For circles up to 390mm in diameter

Ideal for professional & hi-spec drawing use.
The set contains: Quick release precision compass, precision thumbwheel compass, 140mm extension arm, 2mm replacement leads and a 130mm Pen adaptor.
Higher accuracy enabling larger drawings.
Allows max diameter of 430mm