Draper VDE Approved Fully Insulated Extension Bar, 1/2" Sq. Dr., 250mm DR-32144Expert Quality, with spring ball bearing for socket retention. Tested to 10,000V for safe 1000V AC or 1500V DC live working. Sold loose.Manufactured to DIN Standard and individually certified to EN 609005010559321445PartNo-H-EXT-VDE/BDraper 32144