Draper Expert XP1000® quality. This 3/8" Sq. Dr. VDE reversible ratchet is forged from high-quality carbon steel. It is ideal for hybrid and electric car servicing and maintenance, plus electricians and other trades working on live circuits. It has a quick-release mechanism and 45-teeth enabling 8° movement. Tested to 10,000V for safe working on live circuits of 1,000V AC and 1,500V DC.