70mm Solid Brass Toilet Bathroom Thumb Turn Lock Cylinder. Premium Brass Material: Made of solid brass with excellent anti-oxidation and wear-resistant properties. 3-Year Warranty: Comprehensive warranty coverage for 3 years against quality issues. Universal 60mm Size: Standard 60mm cylinder fits the vast majority of household door locks. Easy DIY Installation: No professional tools required; installation completed in minutes. Customizable Design: Customizable color and configuration options available for specific needs. ISO Quality Certified: Manufactured under ISO Quality Management System with strict SOPs. Professional Packaging: Custom-engineered cartons with cushioning to minimize damage risk. OEM/ODM Services: Full OEM and ODM services available with engineering design support.