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Colombo Design Bold PT15 R/RY – Pair of Revolving Door Knobs | Pio & Tito Toso
Colombo Design Bold PT15 R/RY pair of revolving brass door knobs designed by Pio and Tito Toso. Rectangular 100 × 55 mm grip with rounded edges and a 52 × 52 mm square rose. Projection 56 mm. Configurations with Patent keyhole or Euro-profile cylinder escutcheons. Offered in Polished Chrome and Matt Chrome. Made in Italy.
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Description
Colombo Design Bold PT15 – Pair of Revolving Door Knobs
The Colombo Design Bold PT15 R/RY, designed by Pio & Tito Toso, is a pair of brass revolving knobs for interior doors. Its 100 × 55 mm rectangular grip, with broad surfaces and gently rounded corners, is combined with a 52 × 52 mm square rose, creating a distinctive contemporary geometric form.
Design, form and operation
Bold was conceived as a design detail that gives personality to a door while retaining an elegant appearance. Its character is defined by the broad rectangular front surface, smoothly finished edges and compact transition towards the mounting rose.
The regular proportions give the knob a recognisable architectural presence. The metallic finishes highlight the relationship between flat surfaces, softened edges and reflected light, without additional decoration.
This configuration consists of a pair of revolving knobs for operating a compatible interior door latch. PT15 R is supplied with Patent keyhole escutcheons, while PT15 RY uses Euro-profile cylinder escutcheons.
Technical specifications
| Manufacturer | Colombo Design |
|---|---|
| Collection / model | Contemporary – Bold |
| Designer | Pio e Tito Toso lab |
| Official product codes | PT15 R / PT15 RY |
| Product type | Pair of revolving interior door knobs |
| Material | Brass |
| Grip width | 100 mm |
| Grip height | 55 mm |
| Projection shown in drawing | 56 mm |
| Rose dimensions | 52 × 52 mm |
| Rose thickness | 10 mm |
| Operation | Rotating, operating a compatible door latch |
| Escutcheon options | Patent keyhole (R) / Euro-profile cylinder (RY) |
| Finishes | CR, CM |
| Origin | Made in Italy |
Finishes and coordinated hardware
Bold PT15 is offered in Polished Chrome (CR) and Matt Chrome (CM). Both finishes highlight the knob's broad surfaces and softly rounded contours.
Coordinated fittings include the Bold PT11 square-rose door lever and the PT19 BZG bathroom privacy turn set, in their respective catalogue finishes.
Ordering information
This product is a pair of revolving knobs, not a single fixed knob. Select the finish and escutcheon configuration according to the installed door lock. Check door preparation and mounting dimensions before ordering. Contact Matteoda customer service for technical assistance and estimated lead times.
Product Details
085.0PT15R-RY
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Colombo Design Bold PT15 R/RY pair of revolving brass door knobs designed by Pio and Tito Toso. Rectangular 100 × 55 mm grip with rounded edges and a 52 × 52 mm square rose. Projection 56 mm. Configurations with Patent keyhole or Euro-profile cylinder escutcheons. Offered in Polished Chrome and Matt Chrome. Made in Italy.