Click the image, which will take you to Massdrop.com. Then, enter PRACTICE in the search box on the Massdrop home page.
This assortment includes 1 CutAway style, 5-pinned practice lock. The others are, respectively, 3- and 5-pinned.
This assortment is very good for intermediate lock pickers or beginners who want to start with a slightly more challenging set than is the case with Package A.