Explore our range of professional oval scale rules, designed for accuracy and clarity in technical drawing. Featuring precise, easy-to-read scales and durable construction, these essential tools are ideal for architects, engineers, and designers who rely on exact measurements when working across multiple drawing scales.
Showing 6 products
The Helix Technical Engineers 30cm Scale Rule features cm/mm markings and 8 scales: 1:1, 1:2, 1:5, 1:10, 1:20, 1:25, 1:50, 1:250. Professional quality triangular ruler ideal for engineers and technical drawing. Supplied in a handy PVC wallet.
The Rulex 150mm (6 inch) flat oval-profile plastic scale ruler, UK-manufactured for accuracy, features 8 professional scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). Ideal for architects, engineers, designers, and construction workers. One ruler supplied.
The Rulex 300mm (12 inch) flat oval-profile plastic scale ruler, UK-manufactured for accuracy and reliability, features 8 professional scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). Ideal for architects, engineers, designers, and construction workers. One ruler supplied.
The Rulex 150mm (6 inch) flat oval-profile plastic scale ruler, UK-manufactured for accuracy and reliability, features 8 professional scales: Side 1 (1:10, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:500, 1:1000). Ideal for architects, engineers, designers, and construction workers. One ruler supplied. (40 words)
The Rulex 300mm (12 inch) flat oval-profile plastic scale ruler with black finish, UK-manufactured for accuracy, features 8 professional scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). Ideal for architects, engineers, designers, and construction workers. One ruler supplied.
The Rulex 300mm (12 inch) flat oval-profile plastic scale ruler, UK-manufactured for accuracy, features 8 professional scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). Ideal for architects, engineers, designers, and construction workers. One ruler supplied.
The Rulex Verulam 150mm (6 inch) flat oval-profile plastic scale ruler is RIBA-approved (No. 3) with 8 scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). UK-manufactured professional quality for architects, engineers, designers, and construction workers. One ruler supplied in reusable plastic sleeve.
The Rulex Verulam 300mm (12 inch) flat oval-profile plastic scale ruler is RIBA-approved (No. 3) with 8 scales: Side 1 (1:1, 1:100, 1:5, 1:50); Side 2 (1:20, 1:200, 1:1250, 1:2500). UK-manufactured professional quality for architects, engineers, designers, and construction workers. One ruler supplied in reusable plastic sleeve.
Full-size A2 drawing board with advanced parallel motion, anti-slip feet, and ergonomic tilting mechanism.
Compact A4 drawing board ideal for students and hobbyists. Features built-in paper clamp and ruler guide.
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