GRAPHITE CONTOUR GAUGE 250 MMDesigned for invisible joining of, for example, two boards by drilling into the wood at the right angle. The set consists of 76 individual elements, including: 6mm hexagonal key, screws and dowels for wood, drill bit for working in wood, corner joints, T-type joints, frontal and diagonal joints.Product features:• For making “invisible” joints in wood.• Enables the creation of strong and durable connections by drilling into the board at the right angle.• Enables T-type corner joints, frontal or diagonal joints.