Stainless Steel: Made of durable stainless steel, this door closer offers reliable performance and wear resistance. Gate hinges, door closer with hold-open feature. Heavy-Duty Stainless Steel: Made of durable stainless steel, this door closer is designed to withstand heavy use and discoloration. Door closer, commercial door lock. Fire Safety Compliance: Specifically designed for fire doors, this door closer ensures proper sequence and safety, making it an essential component for fire safety. Commercial door closer, universal extension key. Easy and Simple Installation: This door closer is easy and compatible with different types of doors, offering flexibility for various applications. Key extender, key extension tool. Fire Safety Feature: Specifically designed for fire doors, this door closer ensures proper sequence and safety, making it an essential component for fire safety. Door closer with screen door, automatic.