Wera 05029405001 395 Kraftform Plus Nutdrivers are high quality drivers designed for hexagon head screws by Wera that are designed with a Multi-Component Kraftform handle for high working speeds and particularly ergonomic screwdriving. The Kraftform Plus technology allows for hard gripping zones for hard working speeds whereas soft zones ensure a high torque transfer. Wera 395 Kraftform Plus Nutdrivers are also designed with a hexagonal anti-roll feature that prevents any rolling away and handle markings that make for simplified finding and sorting of the tool.