Door handles & Knobs - Studio Series | Karcher Design

Karcher Design is a manufacturer of high-quality architectural hardware, recognized for its contemporary product design and durable materials. The company presents the Studio Series, a collection of door handles and knobs designed for modern architectural spaces. This series combines minimalist aesthetics with robust stainless steel construction, offering ergonomic solutions for both residential and commercial interiors.

The Studio Series – Door Handles & Knobs offers a versatile range of hardware solutions that balance form, comfort, and performance. With simple geometries, ergonomic profiles, and a variety of finishes, the series adapts easily to diverse interiors. Options include round or square rosettes, Studio Select detailing, and matching knobs, ensuring design consistency across projects.

Product Variants
Within the collection, the ER90 family presents several lever handle options:

ER90A1, ER90A2, ER90A3 – Studio Select handles on round 3-piece roses in different dimensions
ER90B series (ER90B, ER90B1, ER90B2, ER90B3) – variations with distinctive grip profiles, available in 71 mm, 83 mm, and 88 mm sizes
ER90C2 and ER90D1 – further models extending the Studio Select detailing
Complementing the handles, the ERK series knobs (ERK590, ERK590K, ERK590L) feature satin brass finishes and are available in turnable, fixed, or lever-adapted versions.

Applications
Designed for flexibility, the Studio Series is suitable for homes, offices, hotels, and cultural buildings. Its durable construction and contemporary forms ensure long-term reliability while enhancing the architectural character of interiors.