💯 DANA FRED 52SETS Jack Nuts Petal Nuts Expansion Nut Thins Fixings Dowels with Countersunk Screws Assembly for Hollow Wall Iron Skin Line Use in Thin Soft Wall (Assortment Kit) 💯 WHY CHOOSE US? 💥 1, Will not distort or deform soft plastics or thin sheet metal 🥇 The sheet metal had holes that were stripped. Used these nuts and they worked perfectly. The brace is installed, and the upper part of the door is also stronger. 💥 2, Full assortment also includes Expansion Nut & Screws for installation. 🥇 In this set, we also provide matching screws for you to buy with confidence. 💥 3, Parts made of high-strength steel. Zinc finish for improved corrosion resistance. 🥇 High quality carbon steel with high hardness. zinc plated surface, anti-corrosion and anti-oxidation, with no burr and flanged anti-slip design, wear-resistant and very practical. 💯 Specification: 💫 Nut Type: hollow door anchors 💫 Nut Sizes: M4 M5 M6 M8 💫 Total Length: 16mm/20mm/18mm/20mm/21mm 💫 Screws external diameter:4mm/5mm/6mm/8mm 💫 Material: Zinc Plated 💯 Package Included: 🌸Black Jack Nut M4*16+ Black Countersunk Screws M4*25-----10pcs 🌸Black Jack Nut M4*20+ Black Countersunk Screws M4*30-------8pcs 🌸Black Jack Nut M5*18+ Black Countersunk Screws M5*30-------3pcs 🌸Black Jack Nut M6*20+ Black Countersunk Screws M6*30------3pcs 🌸Black Jack Nut M8*21+ Black Countersunk Screws M8*35-------2pcs 🌸Blue Jack Nut M4*16+Blue Countersunk Screws M4*25-----10pcs 🌸Blue Jack Nut M4*20+Blue Countersunk Screws M4*30-------8pcs 🌸Blue Jack Nut M5*18+Blue Countersunk Screws M5*30-------3pcs 🌸Blue Jack Nut M6*20+Blue Countersunk Screws M6*30------3pcs 🌸Blue Jack Nut M8*21+Blue Countersunk Screws M8*35-------2pcs Note: 1, Warning: small parts, keep away from children and kids. 2, If you have any questions, please feel free to contact us at any time.