Wera 781 A/B VDE Connector, Insulated, 1/4", x 3/8 56 mm 1/4"

Connector from 1/4" square head socket to 3/8" 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