Donau Elektronik manufactures the RS40 magnetic shells set, which includes four pieces. These shells are designed for efficient magnetic storage and organisation. They are typically used for securely holding small metal components in workshops or garages. https://elecena.pl/product/28953146/donau-rs40-magnetic-shells-set-4-pieces-rubberised-scratch-free-fixing 2025-06-14 https://elecena.pl/product/28953146/donau-rs40-magnetic-shells-set-4-pieces-rubberised-scratch-free-fixing 2026-07-15