Glarks 140Pcs M6 Black Hex Socket Cap Bolt and Barrel Nut Assortment Kit with an Allen Wrench for Crib Baby Bed Cots Furniture (20-80mm) Specification: Product Type: Socket head screws Material: Metal Color: Black Package Detail: Hex socket cap bolt： M6x20mm -------- 10Pcs M6x30mm -------- 10Pcs M6x40mm -------- 10Pcs M6x50mm -------- 10Pcs M6x60mm -------- 10Pcs M6x70mm -------- 10Pcs M6x80mm -------- 10Pcs Barrel nut: M6x12mm -------- 70Pcs Allen wrench: M4 ------------------ 1Pc Total Quantity: 141Pcs Product Feature: ✔ The size of the nuts groove is perfectly matched with the bolts to prevent the bolts from loosen. ✔ All products are packed in sturdy plastic boxes, bolts and nuts of different sizes are packed separately to prevent you from confusing. Quality Assurance: If you have any question about our products, please feel free to connect us, we will try our best to solve your problems. Warning: The set of bolts and nuts may contain some tiny devices components. Please place it out of the reach of children.