🛠️【Complete Set for Industrial Applications】 This kit includes 40 pcs sliding T-nuts, 40 pcs drop-in T-nuts, 40 pcs M5x8mm black Inorganic Zinc Flake Coated screws, 40 pcs M5x10mm black Inorganic Zinc Flake Coated screws, 40 pcs washers, and 1 ball-end hex wrench, ensuring you have all the necessary components for securely joining 2020 & 2040 aluminum extrusion profiles.