GRAPHITE 76PCS SET UNDERCOVER JIG SET FOR WOODDesigned 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.