The wera slimline 165i s vde screwdrivers allow use in confined spaces or on recessed screws whilst maintaining full vde protection ideal for use on sprung cage terminals or rcbos individually for dielectric strength under a load of 10000 volts so as to ensure safe working with loads up to 1000 volts featuring the plus minus mcb profile tips for the combination screwheads increasingly found in modern consumer units which are easily rounded out through use of the wrong type of screwdriver pozi ve