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The Robodue CD51R handle by Colombo Design is an elegant and functional solution for interior doors, characterized by a drop-shaped grip mounted on a round rosette. Made of Cromall alloy, with refined finishes such as polished chrome, satin or Oroplus, it combines strength and artisanal care. The simple but distinctive design makes it suitable for both classic and modern environments, while the 10-year guarantee — extended to 30 for Oroplus finishes — testifies to the qualitative excellence of the brand. A choice that combines aesthetics, durability and daily comfort.
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Robodue CD51R ColomboDesign Handle – Linear elegance on round rosette Ø50mm
The Robodue CD51R, part of the Contemporary Handles collection by ColomboDesign, represents a refined balance between formal minimalism and functional comfort. Made of Cromall® (resistant zamak alloy), it is characterized by a straight and soft lever, mounted on a round rosette Ø50mm, ideal for modern environments that favor simplicity and quality.
Technical features
Material: Cromall® (noble brass alloy), guarantees robustness and premium feel
Finishes: Oroplus (polished brass), Polished Chrome and Satin Chrome, all with 10-year warranty
Dimensions: lever 141×66mm; rosette Ø50mm; total height 50mm
Supported door thickness: 30–60mm, with standard 8×114mm square pin and return spring for smooth and silent movement
Package content & installation
The package includes the pair of handles (right/left), escutcheons for Patent or Yale locks, square pin, fixing grub screws, screws and Allen key. Installation is quick and does not require additional milling on the rosette.
Style and contexts of use
The Robodue CD51R is designed for residential, contract and office spaces in a contemporary style. The essential, linear and without excess design integrates harmoniously into minimalist or characterful environments, where technical detail meets sober aesthetics.
Assembly diagram for COLOMBO DESIGN doors and winows handles, knobs, and accessories.
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