Colombo Design Isy BL11 R/RY interior door lever designed by Luta Bettonica and Giancarlo Leone. Made of brass, it combines a geometric grip with a flowing curved transition and a 52 × 52 mm square rose. Lever length 142 mm and projection 68 mm. Patent keyhole or Euro-profile cylinder escutcheon configurations. Offered in Polished Chrome and Matt Chrome. Made in Italy.
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The Colombo Design Isy BL11, designed by Luta Bettonica and Giancarlo Leone, is a contemporary brass interior door lever. Its geometric grip flows into a 52 × 52 mm square rose through a smoothly shaped connection, balancing defined lines with fluid surfaces.
Isy combines an essential geometric design with a sense of movement. The elongated grip has a regular profile, while its curved transition towards the mounting rose adds visual continuity and dynamism.
Colombo Design emphasises the flowing, sinuous lines of Isy, distinguishing it from more rigidly angular handles. Its balanced shape suits modern doors and contemporary interiors seeking a refined yet recognisable architectural detail.
The BL11 R and BL11 RY versions operate compatible interior door locks and differ in their escutcheon configuration: Patent keyhole or Euro-profile cylinder.
| Manufacturer | Colombo Design |
|---|---|
| Collection / model | Contemporary – Isy |
| Designers | Luta Bettonica and Giancarlo Leone |
| Official product codes | BL11 R / BL11 RY |
| Product type | Interior door lever on square rose |
| Material | Brass |
| Lever length shown in drawing | 142 mm |
| Projection shown in drawing | 68 mm |
| Rose dimensions | 52 × 52 mm |
| Rose thickness | 10 mm |
| Escutcheon options | Patent keyhole (R) / Euro-profile cylinder (RY) |
| Finishes | CR – Polished Chrome; CM – Matt Chrome |
| Origin | Made in Italy |
The Isy BL11 is offered in Polished Chrome (CR) and Matt Chrome (CM). Both finishes highlight the lever's shaped connection and geometric profile.
Coordinated fittings include the MM29 BZG bathroom privacy turn set and the BL12 DK/SM tilt-and-turn window handle, each offered in its respective catalogue finishes.
The collection also includes the Isy BL11 RF/RYF version with a slim square rose, intended for different mounting requirements.
Select the finish and Patent keyhole or Euro-profile cylinder configuration according to the installed lock. Check door preparation and mounting dimensions before ordering. Contact Matteoda customer service to confirm availability and estimated delivery times.
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Colombo Design Isy BL11 R/RY interior door lever designed by Luta Bettonica and Giancarlo Leone. Made of brass, it combines a geometric grip with a flowing curved transition and a 52 × 52 mm square rose. Lever length 142 mm and projection 68 mm. Patent keyhole or Euro-profile cylinder escutcheon configurations. Offered in Polished Chrome and Matt Chrome. Made in Italy.
