DEKTON DT55345 24 inch X 12 inch Roofing Square Strong steel square\r\n- 12" (300mm)- Hardened and tempered strong steel square- 24" (600mm) - Metric and imperial graduations- Suitable for both professional & home use\r\nDEKTON DT55345 24 inch x 12 inch Roofing Square used in many tasks, such as rafters, doors and window framing, stair work & general construction tasks. The Dekton Roofing Square is suitable for professional or home use. White gradations etched into high visibility black finish provide contrast for easy reading.\r\nFeatures:\r\n- Calibrated 24" x 12" and 600mm x 300mm- Carpenters, Builders, Roofers and Remodelling- Strong steel square- Easy to read with accurate readings- An essential part of your toolkit- High quality roofing square with dual markings- Heavy gauge powder-coated steel- For carpenters, construction workers and DIYers- Heavy Duty and Sturdy- For maximum accuracy, extreme durability and enhanced readability- Ideal for all types of roofing & large scale construction tasks- Imperial and Metric markings- Handy conversion table for precise rafter work\r\nDimensions: (L)42.5mm (W)0.5mm (D)66mm.