Draftex Triangular Scale Rules

Draftex Triangular Scales in ABS Plastic, Colour Coded Centre Strip, Hard Plastic Carry Case. Range of 4 Available; TSR1, TSR2, TSR3, TSR4.

Isomars Triangular Scale Rulers

Isomars Budget Triangular Scale Rulers. Engraved on White Plastic with two ratios per edge making up to 12 scales per ru

Kent Triangular Scale Rulers

Kent Triangular Scale Rulers. 3 Options Available; 402, 403, 409 in 30cm.

Rotring Triangular Scale Rulers

Rotring Triangular Scale Rulers. Feature 2 Scales per Edge. Range of 4 Available; 802020, 802021, 802022, 802023. Manufactured in ABS Plastic with Colour Coded Centre Strips.