The case is part of the Bosch Pick and Click system, which enables individually buildable accessory sets for fully customisable bit collections. Click-fitting slots perfectly secure individually purchased packs for a personalised collection and the easy replacement of old packs. The Empty Case M is a storage case for individually customised accessory sets. The case features fitting slots into which the plastic holders of individually purchased bit packs click securely, enabling a variety of set options. The Pick and Click Empty Case M features one panel side for bit storage and a transparent window for content visibility. It is also fitted with rubber bumpers for protection and robustness in tough environments.