Colombo Design Siena KSI12 / KSI12B traditional brass window cremone handle from the Antologhia collection, featuring a vertically arranged, tapered grip and decorative backplate. Two configurations: KSI12 raised backplate (168 × 35 mm, projection 62.7 mm) and KSI12B low-profile backplate (175 × 38 mm, projection 56.3 mm). Offered in natural unlacquered brass, bronze and nickel finishes. Operating mechanism not included; selected separately according to the window hardware. Made in Italy.
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The Siena KSI12 / KSI12B is a traditional brass window cremone handle from the Antologhia collection by Colombo Design. It features a vertically arranged grip with tapered ends and turned decorative detailing, mounted on an elongated backplate with shaped ends and visible fixing screws.
Two configurations can be ordered: KSI12 with a raised backplate and KSI12B with a low-profile backplate. Both share the same handle design but differ in backplate dimensions, thickness and overall projection.
KSI12 – Raised backplate: traditional configuration with a 168 × 35 mm backplate, 13 mm thickness and a projection of 62.7 mm shown in the manufacturer's drawing.
KSI12B – Low-profile backplate: configuration with a 175 × 38 mm backplate, reduced thickness of 6.5 mm and a projection of 56.3 mm. Installation requires checking the window frame preparation and space for the operating mechanism.
Both versions are traditional window cremone handles and must be distinguished from the separate Siena KSI12 DK/SM tilt-and-turn window handle.
| Specification | KSI12 – Raised backplate | KSI12B – Low-profile backplate |
|---|---|---|
| Manufacturer | Colombo Design | |
| Collection / model | Antologhia – Siena | |
| Official product code | KSI12 | KSI12B |
| Product type | Traditional window cremone handle on backplate | |
| Material | Brass | |
| Backplate height | 168 mm | 175 mm |
| Backplate width | 35 mm | 38 mm |
| Projection shown in drawing | 62.7 mm | 56.3 mm |
| Backplate thickness | 13 mm | 6.5 mm |
| Square spindle size | 7 mm | |
| Operating mechanism | Not included; selected separately | |
| Standard finishes | Natural brass (ON), bronze (BR), natural nickel (NI) | |
| Origin | Made in Italy | |
Measurements are taken from the Colombo Design technical drawings for both configurations. Backplate height and width are distinguished from the projection shown in the side view.
The Siena design reflects traditional architectural hardware through its tapered grip, turned decorative details and shaped backplate. Made in Italy using traditional brass-working methods, the Antologhia collection incorporates a significant element of manual craftsmanship and hand finishing.
Standard finishes are natural unlacquered brass (ON), unlacquered bronze (BR) and natural unlacquered nickel (NI).
Natural unlacquered finishes may gradually change in appearance with use and age, particularly natural brass, which can develop a characteristic patina. Minor surface variations or porosity may be consistent with traditional brass-working and hand-finishing processes.
The operating mechanism is not included and must be selected separately according to the window hardware. Before ordering, check the mounting dimensions, locking system and space required for the operating mechanism, particularly with the low-profile KSI12B version. Matteoda customer service can assist with configuration selection and estimated ordering lead times.
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Colombo Design Siena KSI12 / KSI12B traditional brass window cremone handle from the Antologhia collection, featuring a vertically arranged, tapered grip and decorative backplate. Two configurations: KSI12 raised backplate (168 × 35 mm, projection 62.7 mm) and KSI12B low-profile backplate (175 × 38 mm, projection 56.3 mm). Offered in natural unlacquered brass, bronze and nickel finishes. Operating mechanism not included; selected separately according to the window hardware. Made in Italy.
