Shimano 8- Speed Double Bicycle Drop Bar Brake and Shift Levers
About Shimano - "Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
This should correspond to the number of cogs on the cassette.
Double or Triple refers to the crankset. A double has two rings. A triple has three.