Carpenter's ruler 90 degree 45 degree Carpenter's measuring ruler board Product Description: are an indispensable tool for carpenters.Whether you are designing a beam or you need a 45° or 90° angle measurement,the speed side is committed to providing refined,accurate and user-friendly.Our description beam box embodies our commitment and tradition to provide measurement solutions,while our other beam boxes provide a full range of solutions to meet any measurement needs. -made of and CNC machined aluminum alloy,light weight and comfortable.Good oxidation resistance,easy to break,each ruler is thick,and high hardness. [Permanent scale]:etching permanent scale is used to provide you with standard accuracy you need.The angle conversion table facilitates the use of correct numbers.grinding [Multi-function]: Suitable for measurement,can be used as a protractor,woodworking,box.The horizontal base is convenient for marking,and practical. Convenient and practical design: humanized,easy to hang and store when in use.The edges and corners of each are polished by a special process to make them and hurt your hands. Products include: 1x Measuring tool angle ruler are an indispensable tool for carpenters.Whether you are designing a beam or you need a 45° or 90° angle measurement,the speed side is committed to providing refined,accurate and user-friendly.Our description beam box embodies our commitment and tradition to provide measurement solutions,while our other beam boxes provide a full range of solutions to meet any measurement needs. Made of and CNC machined aluminum alloy,light weight and comfortable.Good oxidation resistance,easy to break,each ruler is thick,and high hardness. [Permanent scale]:etching permanent scale is used to provide you with standard accuracy you need.The angle conversion table facilitates the use of correct numbers.grinding [Multi-function]: Suitable for measurement,can be used as a protractor,woodworking,;box.The horizontal base is convenient for marking,and practical. Convenient and practical design: humanized,easy to hang and store when in use.The edges and corners of each;are polished by a special process to make them and hurt your hands.