Are you finding a scroll bar module which can work fine with K2 Component? Please try to use this module on your site, we are sure that it is a great module for you. It supports 5 themes for showing bar and a lot of options, you can easily change to have a nice module for your site. Now, please read the feature list to understand what the module can do: 

Updated to Joomla 5

SJ Slider for Content module uses to show articles on the front-page: articles on the frontpage, articles in some sections and categories. With responsive webdesign and a lot of options to control your module, you will be happy with this module. 
Don't forget to check our demos for getting more detail!

Updated to Joomla 5

Do you have a lot of articles? And do you want to show all articles in a module? This module will help you to show more articles as a table, using the scrollbar to see articles. With 6 themes and more options, you will be easy to configure according to your idea.

We are pleased to announce that we have released SJ VM Scrollbar for VirtueMart Component. This module will help you to show specific products from a category or some categories. With more themes and options, you will be easy to configure it as you want.