The Helix 30cm K93X40 triangular scale ruler with 12 scales is ideal for professional use Scale features - 1:1, 1:10, 1:2, 1:20, 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500 ; Helix is ren...

STAEDTLER Mars 561 Reduction Ruler Manufactured with an engraving process: Dividings and figures have the same accuracy as the die; Dividings and figures are sharper and deeper, and are therefore pe...

Linex flat scale ruler is a useful tool for producing scale drawings, good for architects, engineers, designers and students Makes scale-drawing straight forward and quick, in a range of scales ; Ma...

Linex flat scale ruler is a useful tool for producing scale drawings, good for architects, engineers, designers and students Makes scale-drawing straight forward and quick, in a range of scales ; Ma...

STAEDTLER Mars 561 Reduction Ruler Manufactured with an engraving process: Dividings and figures have the same accuracy as the die; Dividings and figures are sharper and deeper, and are therefore pe...

Staedtler 561 98-DIN Mars Triangular Reduction Scale Ruler Colour-coded grooves for easy idenfication of scales ; Solid white plastic material ; 6 scales on every ruler ; Blistercard containing 1 re...

Staedtler scale ruler is perfect if you're doing technical drawings or other work where you need to measure and create using ratios An inexpensive quality scale ruler ; Durable plastic construction ...

Staedtler Scale Ruler is perfect if you're doing technical drawings or other work where you need to measure and create using ratios An inexpensive quality scale ruler ; Durable plastic construction ...

Staedtler first shatterproof ruler Can be twisted into all sorts of shapes ; Soft and flexible 300mm ruler ; Available in 4 different colours: transparent, green, blue, violet; This product is sold i...