Crystal glass octagonal knobs have a fresh and elegant look that's never out of style. First offered in the 1850s, their popularity peaked at the turn of the century. Our modern reproductions feature a solid-brass shank for added durability. Offered in an array of classic finishes and vibrant colors.

Just like the alexandrite gem, the color of this distinctive octagonal knob changes color right before your eyes. Under fluorescent lighting it's a pretty pale blue, and in natural light or under an incandescent bulb it shifts to a lovely lavender color. Made of German crystal and a solid-brass base, it comes in an array of our most popular finishes.

Timeless, understated, and ever-so refined, the classic pairing of octagonal crystal knobs and simple rope rosettes is always a tasteful choice. Oval keyhole coves with a matching rope border and a traditional mortise lock complete the period look. The heavy-duty lock is made to the highest standards, ensuring trouble-free performance and privacy. Finely crafted from colored crystal glass and solid forged brass, this handsome mortise lock set will give you a lifetime of beauty and enjoyment.

Just like the alexandrite gem, the color of this distinctive square knob changes color right before your eyes. Under fluorescent lighting it's a pretty pale blue, and in natural light or under an incandescent bulb it shifts to a lovely lavender color. Made of German crystal and a solid-brass base, it comes in an array of our most popular finishes.