• Free shipping over $250

  • Free Expert Support

  • Easy Returns

  • Most Orders Ship Same Day

Kaba Ilco 199A-03-51 Crystal Glass Door Knob Set – Bright Brass, Mortise, Pair

A matched pair of crystal-clear acrylic glass door knobs designed to replace or restore older mortise lock sets. Includes two 2" diameter knobs, a 5/16" square × 3½" spindle, and brass set screws — ready to install.
Sale price $17.32 USD Regular price $19.25

Secure Checkout

Secure Checkout

Fast Shipping

Fast Shipping

Hassle-Free Returns

Hassle-Free Returns

Expert Support

Expert Support

Certified WOSB

Certified WOSB

American-Owned Company

American Owned and Operated

  • Description
  • Specifications

The Kaba Ilco 199A-03-51 is a two-knob replacement set engineered for antique and vintage-style mortise locks that use a square spindle drive. The crystal-clear acrylic knobs deliver a classic glass appearance with durable brass-finish hardware, making them a dependable choice for period-accurate door restoration or like-for-like replacement.

  • Application: Fits older mortise locks that accept a square spindle — ideal for antique or period residential doors
  • Knob material: Clear acrylic with a crystal glass appearance and die-cast brass-finish base
  • Knob diameter: 2 in. (projects 2¼ in. from door face)
  • Spindle drive: 5/16 in. square × 3½ in. long spindle included
  • Finish: Bright Brass hardware (finish code -03) on shank, set screws, and spindle
  • Set contents: 2 knobs, threaded spindle, and brass set screws — no additional hardware required for basic installation

Lock type Mortise
Material Brass