The essence of New Standard top tools is the Safety-Click., a spring-safety mechanism. With the Safety-Click tools can be changed vertically. For safety reasons , Safety-Clicks are used for tools weighting up to 12,5 kg. Tool up to 100 mm are equipped with one Safety-click; tools longer than 100 mm are equipped with 2 safety clicks. If the tool weight more than 12,5 kg, it is equipped with locking pins, for weights more than 25 kg , the tools are equipped with safety-keys and can only be changed horizontally.