[PREMIUM QUALITY] - Made of high quality engineering plastic, strong and sturdy, durable to use for a long time. Designed with shockproof plastic construction that ensures optimal durability and lightweight ease of use.[PERFECT ATTACHMENT] - Ergonomic design with the L-type and C-type clamps, you can effectively and easily attach a 90 degree right angle, keep the frame aligned, and adjust tools, such as picture frames, right angle frames, etc.[MULTI-ANGLE SCALES] - Both sides of squares positions marked with width scales. The scale value is clearly visible, allows you to accurately and quickly measure wooden boards or parts. Draw the lines and the perfect cut with 22.5°/45° scales.[WIDE APPLICATION] - Suitable for home, farm, workshop, professional use, to DIY woodworking, cabinet and furniture repair, picture frame reinforcement, wood DIY project, drilling, sawing, etc.[SIZE REFERENCE] - (4inch/100mm x 4pcs) Right Angle Clamp.Professional Woodworking ToolsMake your own furnitureThe perfect 90° corner allows you to easily assemble your own furniture, such as photo frames, cabinets, boxes, drawers, etc. Practical tools can make your work process more efficient and save time and energy. The kit is made of high quality engineering plastics. Even if it is squeezed for a long time, it will not deform.HighlightsPerfect 90° Right AngleClear Scale Wear ResistantDurableMultifunctional ToolEasy to UseNote: Manual measurement data, please allow 1-160cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.