The BX 2 uses a super tough HDPE plastic shell that is nearly indestructible. This is a professional level lockable travel tool case customized to work specifically with bicycle tools. Each specially designed tool pallet is housed in a super tough, dent proof tool case designed and built for daily use. Dent proof molded composite shell. Strong anodized aluminum frame. Removable tool boards made with tough, durable 600D ballistic nylon sewn to an ABS inner panel. 35 tool pockets and straps plus four universal tool modules to accommodate a wide variety of tools and tool shapes.