02-31251U Knocker with U700 viewer
02-31252U Knocker with U701 viewer

• 02-31251U for door thickness 7/8" – 1-9/16"
• 02-31252U for door thickness 1-5/8" – 2-1/8"
• Bolts through door
• Certifications:
  • Meets ANSI/BHMA A156.16, L23161
• Material substrate:
  • Made from forged brass
• Dimensions:
  • Length: 5-15/16"
  • Width: 3"
  • Projection: 1-1/16"
  • Mounting hole center-to-center: 3-15/16"