The Milwaukee M18 Six Pack Battery Holder is a 3D printed tool accessory designed specifically for Milwaukee M18 batteries. It features a compact design with dimensions of 6.1 inches in height, 9.5 inches in length, and 2.5 inches in width. The caddy includes an Apple Airtag holder for added convenience and security. Perfect for power tool enthusiasts looking to organize and protect their batteries, this Milwaukee M18 accessory adds functionality to your workshop.