Magnetic Socket Organizer Set, 6-Piece Socket Holder Set, 1/4", 3/8", 1/2" Drive

(socket organizer set does not include sockets). Length Deep & Shallow 0.75" deep, expand to 2" deep Deep & Shallow Deep Deep & Shallow Deep & Shallow Deep & Shallow. Material: Magnetic socket holder is made of heavy-duty molded ABS plastic, which is highly heat and impact resistant, highly rigid, sturdy, and corrosion-resistant.

eBay