This set of 4 corner clamping 90 degree positioning squares is a must-have for woodworking enthusiasts. Made from durable plastic material, these right-angle clamps are designed to provide a heavy-duty solution for precise positioning and clamping of wood pieces. With a size of 100mm (4 inches) and a length of 10cm, these angle clamps offer a reliable and efficient way to ensure accurate and stable woodworking projects. The metric system of measurement ensures compatibility with international standards, making them a versatile tool for various DIY projects and workshop tasks.