Metric 12.9 Alloy Allen Socket Head Cap Screw Assortment - 453 PCS Black Oxide Finish Heavy Duty Locking Steel 24 Hole Compartment Tray (Dim: 13-3/8" Width x 2" Height x 9-1/4" Depth) M5, M6, M8, M10, and M12 Coarse Diameters Included High Quality Metric Allen Socket Head Cap 12.9 Alloy Black Oxide Screws Bolts Assortment - 453 Pieces with Locking Metal Storage Compartment Bin