Organize Your Sockets Quickly: Our modular 3/8" socket organizer is made for professional and DIY mechanics to quickly organize your hand tools for fast accountability. Whether you are a professional mechanic or a hobbyist, this socket organizer is a must-have for your workspace. STEMS SOLD SEPARATELY. Magnetic 3/8" Socket Holders: Magnetic socket organizer securely holds tool organizer down to toolbox drawer. It is a simple and very effective way of organizing your tools in one place. It holds small and large 3/8" drive sockets, crow’s feet, torque adapters, and more. 1 Kit Holds 12 Modular Socket Organizers and 8 Spacers : Every single unit of the kit holds up to 12 single 3/8" drive socket holders and 8 spacerss, but you can connect and add more holders according to your needs. Also, the spacer allows you to add more space between the widgets if needed. Comes With Missing Tool Indicator: Kit includes an orange missing tool indicator, which makes the tool accountability fast and easy. It’s is the simplest way to calculate how many tools from the kit have been missing or lost. Satisfaction Guaranteed: We at ToolBox Widget aim for 100% customer satisfaction, and if in any case, you are unhappy with your purchase then please let us know, we will do anything required to make you a happy customer. So, buy our 3/8" magnetic socket organizer with confidence.