Wera 05004965001 8794 LB VDE Zyklop extension, insulated, long, 3/8", 3/8" x 166 mmWera 05004965001 8794 LB VDE Zyklop extension, insulated, long, 3 8", 3 8" x 166 mm Product Description 3 8" VDE extension with increased safety through yellow insulation core, which becomes visible in case of damage to the outer red VDE insulation layer. Individually tested tool as per IEC 60900 at 10,000V for safe working at the approved voltage of 1,000V. Data Sheet: Click Here for Data Sheet