CRL Cylinder Style Back-to-Back Shower Door Knobs-SDK112, bring understated elegance to any frameless shower enclosure. With a sleek, cylindrical profile, these knobs offer both form and function—enhancing your glass door’s look without distraction. Ideal for standard swing doors and also suitable for sliding bypass systems when paired with the protective plastic sleeve (sold separately).
Crafted from solid brass, each knob measures 3/4″ (19 mm) in diameter and extends 1-1/4″ (32 mm) from the glass surface. Designed for glass thicknesses ranging from 1/4″ to 1/2″ (6 to 12 mm), it installs easily with a standard 3/8″ to 1/2″ (10 to 12 mm) hole. Available in 11 elegant finishes to match a wide range of bathroom hardware, with custom options available upon request.
Key Features:
- Clean cylindrical shape adds subtle sophistication to glass enclosures
- Constructed from durable solid brass
- Designed for glass 1/4″ to 1/2″ thick
- Requires a 3/8″ to 1/2″ (10–12 mm) hole for mounting
- Available in 11 premium finishes; custom options also available
- Compatible with monolithic tempered glass
- Protective plastic sleeve recommended for sliding applications






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