I bought a set of these from AMAZON, they came without a box so I designed this.

Neiko 00298A Impact Extension & Socket Adapter, 7Piece Set | 1/4" Hex Shank Drill Extension | CR-V Steel: https://www.amazon.com/gp/product/B07CMM64FM/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

NOTE: the one in the pictures was slightly smaller. but the uploaded STL is the updated dimensions.

NOT FOR COMMERCIAL USE