The Drop LC45 knob handle by Colombo Design, designed by Luca Colombo, combines classic elegance and modern functionality in a single compact and harmonious shape. Made of solid brass, it stands out for its ergonomic and curved design, suitable for both internal and armored doors.
It is available in refined finishes such as polished chrome, chrome-mat and bronze, all covered by a 10-year guarantee, and Oroplus with a 30-year guarantee
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Drop LC45 Colombo Design Knob Handle – essential elegance, fluid ergonomics
Designed by Luca Colombo, the Drop LC45 series reinvents the classic knob by integrating it into a soft and sculptural gesture. The elliptical knob is inserted into a Ø50mm round rosette, offering an ergonomic profile and a minimalist look that is well suited to contemporary interiors
Premium materials and finishes
Made of solid brass, the Drop LC45 guarantees durability and a premium feel. The available finishes cover different aesthetic and functional needs:
Oroplus, guaranteed for 30 years
Umber Bronze, Polished Chrome, Satin Chrome, guaranteed for 10 years
I Oroplus is ideal in humid or exposed environments, as it increases resistance to scratches and corrosion.
Ergonomic design and studied proportions
With dimensions of 115.5×71×50mm, Drop LC45 integrates harmoniously on internal doors, ensuring a comfortable and natural grip. The 8×135mm square pin and compatibility with thicknesses from 30 to 60mm facilitate installation without structural modifications.
Complete kit & easy assembly
Each package includes:
pair of knobs on round rosette
pairs of escutcheons (Patent or Yale)
square pin
grub screws, screws and Allen key
The mechanism is equipped with a return spring for a soft and silent action even after many uses.
Style & functionality with a touch of Made in Italy
Part of the Contemporary Handles collection by Colombo Design, Drop LC45 combines a soft and modern aesthetic with high quality standards. The fluid design and the variety of finishes make it suitable for residential and contract projects that seek discreet refinement
Assembly diagram for COLOMBO DESIGN doors and winows handles, knobs, and accessories.
Download (3.08MB)Reference: 085.KITTRASFORMAZIONE78
Brand: Colombo Design
7/8 mm adaptation kit for mounting handles on 7mm square (French standard) - to be used only with Colombo Design handles
Reference: 085.KITTRASFORMAZIONE6
Brand: Colombo Design
Adaptation kit for mounting handles on 6mm square - can only be used with Colombo Design handles
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Brand: Colombo Design
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Brand: Colombo Design
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Brand: Colombo Design
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Reference: 085.0ID41R-NM
Brand: Colombo Design
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Brand: Colombo Design
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Brand: Colombo Design
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Reference: 085.MR15R-CR
Brand: Colombo Design
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Brand: Colombo Design
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Brand: Colombo Design
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The Drop LC45 knob handle by Colombo Design, designed by Luca Colombo, combines classic elegance and modern functionality in a single compact and harmonious shape. Made of solid brass, it stands out for its ergonomic and curved design, suitable for both internal and armored doors.
It is available in refined finishes such as polished chrome, chrome-mat and bronze, all covered by a 10-year guarantee, and Oroplus with a 30-year guarantee
