Wera 781 B/A VDE Connector, Insulated, 3/8", x 1/4 66 mm 3/8"

Connector from 3/8" square head socket to 1/4" external square head Individually tested tools as per IEC 60900 at 10,000 V for safe working up to 1,000 volt Increased safety thanks to 2-component insulation with a yellow insulation core under an outer red insulation layer Plastic coating protects surfaces from damage, Manufacturer: WERA