Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Opaque White Plastic Rule by Grobet Sale $4.80 | / SKU 35-502 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Opaque White Plastic Rule Graduated in millimetres across the top and 1/16" increments across the lower half. 7" (180mm) length. 9/16" (14.3mm) width.