... . Product details(1) Item name: Heavy-duty Ball Bearing Hinges with Zinc Plated (2) Material: Steel(3) Size: 106*80 mm ( ΓΈ22 ... , milling, machining, lathe, assembling etc. 3. Finishing: Anodizing, Powder-Coating, Zinc-Plated, Chrome coated ,Nickel Plated ,Copper Plated, Rust-inhibiting oils ...