Harbor Freight ICON 3/8 in. Drive, Professional Semi-Deep Socket, 12-Piece SAE and Metric
Has a channel on the bottom to glue in 10mm wide by 3mm thick magnets to hold the socket slightly and to hold in place in tool box drawer
https://www.amazon.com/dp/B09L5WFPKX?psc=1&ref=ppx_yo2ov_dt_b_product_details