Wera Kraftform Kompact VDE 68 iS Interchangeable Slim Blade Tip size: Square #1 Overall length: 154mm (6-1/16") Reduced blade diameter with integrated protective insulation, allows sunken square screws to be accessed and actuated, individually tested as per IEC 60900 Have you ever taken the wrong VDE screwdriver to a job? The Wera Kraftform Kompakt VDE assortments feature an insulated handle and a selection of insulated interchangeable blades which can be inserted quickly and easily by hand Insulation is individually tested at 10,000 - rated at 1,000 V in accordance with DIN EN 60900 (IEC 60900:2004) Manufacturer Part #: 05003417001