The BGS 3307 three-case set made of aluminum offers durable and secure storage for professional tools, measuring instruments, notebooks, photo equipment, and various workshop items. This set consists of three separate aluminum boxes with reinforced edges and corner protection, each featuring a fully lockable design with included keys for safe transport and storage. The largest case measures 460 x 160 x 330 mm with a maximum load capacity of 12 kg, the medium case measures 380 x 120 x 260 mm with a maximum load capacity of 10 kg, and the smallest case measures 330 x 90 x 210 mm with a maximum load capacity of 8 kg. All boxes are lined with neoprene padding on the inside to protect the contents from bumps and scratches, while special hinges hold the lid open at about 90 degrees for convenient access. The smallest case includes adjustable internal dividers for the individual organization of smaller items. Made from aluminum with reinforced structural elements, these boxes provide reliable protection against daily workshop use and transport demands. The silver-gray surface gives a professional appearance suitable for various work environments. This tool storage solution addresses the need for organized, portable, and secure equipment management in professional settings.