... Steel 1. Product details1). Item: Staiblee Steel Concealed Door Bolt 2). Staiblee Steel Concealed Door Bolt3). Size: 6'',8",10''4 ... component parts, metal stamping parts, punching parts, hardware for furniture, bracket parts, design and made of Moulds, and so ... on. These parts are used in Automotive, Electrical, Building, Furniture, Machine assembly, Computer, and Air industry. 4. More specification ...