240pcs Stainless Steel Stainless Steel Bolt Set Socket Head Flat Washers Nut And Bolt Set Hex Wrench Included

High-concerned chemical : none Type : Hexagon Nuts Model Number : Connector is_d : None DIY Supplies : Woodworking Material : Stainless Steel Origin : Mainland China Certification : NONE Material: : Stainless Steel Size: M4 Screw: : 8mm, 12mm, 16mm, 20mm; M5 screws: : 8mm, 12mm, 16mm, 20mm