Product Overview: The document lists various models and finishes of the Diana Barley door handle series by Studio Olivari, released in 2016.

Materials and Finishes: The handles are available in chrome (CR cromato), super gold bright (ZL superoro lucido), and brass (ottone) finishes, indicating options for different aesthetic preferences and durability requirements.

Model Variants: The document references multiple model codes such as M1DBB, C1DB, K1DBB, M1DBRSB8B, M1DBRB8B, M1DBRY8B, M1DBVSB8B, M1DBVB8B, and M1DBVY8B. These likely correspond to different handle designs, sizes, or finish combinations.

Accessories: The mention of "rosetta bassa/low rosette" (C1DB, K1DBB) suggests the availability of low-profile rosettes compatible with these handles, which are components used to cover the mounting hardware on doors.

Summary: This technical listing provides essential identification codes and finish options for the Diana Barley handle series, facilitating specification and ordering. It highlights the availability of chrome, super gold bright, and brass finishes, along with compatible low rosette accessories, supporting customization and installation needs.