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300/89-ORB-RH-KA

Cosmas 300 Series Oil Rubbed Bronze Handleset with 80 Series Interior

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Traditional Handleset 80 Series Lever Single Cylinder Deadbolt Oil Rubbed Bronze Finish Kwikset KW1 Keyway

The Cosmas 300 Series Oil Rubbed Bronze Handleset with 80 Series Interior Lever pairs a classic exterior handleset design with the elegantly arched Cosmas 80 Series interior lever. The 80 Series lever features a gracefully arched, wave-style profile with a gently flared tip, delivering a timeless traditional look and comfortable operation inside the home.

The rich oil rubbed bronze finish showcases deep, warm tones with subtle highlights that complement dark wood doors, rustic accents, and bronze architectural details.

The included single cylinder deadbolt uses a Kwikset KW1 5-pin keyway, locking and unlocking with a key on the exterior and a thumbturn on the interior — ideal for most residential front and side entry doors.

Tip: Select Keyed Alike if you want this handleset keyed the same as other keyed hardware in your order.

Manufacturer Cosmas
Grade Grade 3 (Residential Use)
Finish Oil Rubbed Bronze
Handleset Style Cosmas 300 Series Traditional
Interior Lever Cosmas 80 Series Lever
Deadbolt Type Single Cylinder
Keyway Kwikset KW1 5-Pin (Deadbolt)
Latch / Backset (2) Adjustable 2-3/8" to 2-3/4" Backset Latches
Door Thickness 1-3/8" to 1-3/4"
Hardware Included (2) Strike Plates, (2) Latch Plates & Matching Screws
Product warranty coverage icon
  • Mechanical Warranty: 5 Years
  • Finish Warranty: 5 Years

Door Handing (Left/Right)

The Cosmas 300 Series handleset with 80 Series lever can be installed on both left-hand and right-hand doors.

Kwikset KW1 key

Keying Options

Choose your keying preference above.

  • Keyed Alike: Have this handleset keyed the same as other keyed items in your order.
  • Keyed Differently: Ships with its own unique key.