This Dunnet Tools Precision Engineers Try Square Is The Ideal Tool To Create Perfect Lines, Accurate Angles And Measure Precisely. Whether For Metalwork Or For Wood Work, This Tool Can Be Used Effectively To Ensure Straight Lines. This Specific Carpenters Square Is A 4" Or 100mm Square. These are standardized Sized Square Tools And As Such Will Be Suited For Small Or Even Large Jobs And Applications Where A Set Square Is Required. This Framing Square Is Manufactured Using A High Quality Tool Steel Material. This Helps To Minimise Any Expansion Or Shrinking Through Hot Or Cold Temperatures, And Will Also Minimise Any Warping That Could Potentially Occur. This Combination Square Can Be Used For A Wide Range Of Exercises And Applications Including Wood Work-based Projects And Engineering-based Projects At Both A Beginner And Professional Level. Technical Specifications: This Is A 4" Or 100mm Engineers Set Square. This Item Is Made From A High Quality Tool Steel. This Tool Is Suitable For For Both Metal And Wood Work Applications. Dunnet Tools Provide A One Year Warranty With This Item., Manufacturer: Dunnet Tools