... Material: Steel 3. Light, convenient, cheap for door 4. Firm slide bolt SPECIFICATIONS1. Finishing: Blue zinc plated / ... 3. Light, convenient, easy to use. 4. Firm slide bolt, high quality. 5. Competitive price. 6. On ... products are welcomed.Detailed information 1.About ProductApplications: for doors of home,restaurant,hotel,school,building,factory ... . Welcome to contact us! 5" slide bolt for door