Ives 3SP1 4.5X4.5 3-Knuckle Spring Hinge, Standard Weight, 4 1/2" x 4 1/2"
For use with 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 - 12-24 x 1/2 UFPHMS, 12 x 1 1/4 FPHWS - Pin for setting spring tension - Adjusting wrench
Certifications
Certified to ANSI/BHMA A156.4 for performance standards
Meets ANSI/BHMA 156.7 for template hinge dimensions