Double groove design - There are double grooves in the bevel of the hand plane, one groove is a right angle of 90, and the planing surface is 45. The rectangular side can be cut at a 45 bevel; The other groove is 15mm wide 180 flat angle which can be cut at right angle. Wide application - Suitable length of flat angle planer: 15mm. A professionally made manual edge planer can be used for trimming edges, corners or planing planed wood, plasterboard, fiberboard, cork board, etc., with great practicality and functions powerful. Labor-saving carpenter hand tool - This corner planer is equipped with SK5 blade, which features high hardness, sharp cutting edge and long service life. Sharp blade and clean edge for a more economical working experience. Blades are replaceable - The hand plane can be used many times with good quality and long service life. If the blade is no longer sharp, you can replace it with another blade. High quality small wood planer - The body of the plasterboard planer is made of ABS plastic, good quality , light and small, which is convenient to carry and use. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display , there may be color differences, please refer to the actual item received.