WERA 1/2 Drive Extension Bar with Locking Function, 250mm Length, 003643

Long type. Made of high-quality matte chrome-plated chrome vanadium. For 1/2" square socket wrench inserts with ball lock. Drive size (inch): 1/2, Overall length (mm): 250 Zyklop flexible locking extension. When the system is activated, the socket wrench insert is permanently secured, preventing unnecessary loss. When the system is deactivated, nuts can be installed and replaced in an instant. Freewheeling sleeves accelerate the rotation of screws and nuts.