Ives 3SP1 3 Knuckle Spring Full Mortise Hinge, 4.5" x 4.5", Flat Black

Ives 3SP1 3 Knuckle Spring Full Mortise Hinge, 4.5" x 4.5", Flat Black

• For use with fire doors where self-closing is required
• Maximum door weight 120 lbs, max door width 36″
• Maximum labeled door size – 3’0″ wide x 7’0″ x 1-3/4″ thick as set in NFPA #80
• Packed with fasteners for hollow metal and half metal/half wood applications, pin for setting spring tension, adjusting wrench
• Size: 4.5"  x 4.5"
• Gauge: 0.134
• Material: 1040 steel or 304 series stainless steel
• ANSI/ BHMA Standard: Certified to ANSI/BHMA A156.4 for performance standards, Meets ANSI/BHMA 156.7 for template hinge dimensions
• Usage: Medium Duty
• Fire Rating: UL listed for use with fire rated doors