1000v insulated bit which is suitable for use on electrical installations with an electric screwdriver. Fits into tight spaces with a tip diameter of 3.5mm. These are recommended for use only with an electric screwdriver of 7.2v or less, do not use an impact driver. *Note that these only fit Japanese collets such as in the Vessel 220USB-P1 electric screwdriver. For insulated bits that fit into Australian size collets, please look at the single sided ANEX bits Features: 1000v Rated (Tested at 10000v) Magnetised Double headed tip (PH1/Slotted 5mm) Slim 3.5mm tip Easy to identify body Included: 1 - Insulated double headed PH1/Slotted 5mm bit Specifications Bit Size: PH1/Slotted 5mmShank Size: 6.35mm / ¼” hexLength: 98mmTip Diameter: 3.5mmMagnetised: YesMaterial: Chrome/Molybdenum/Vanadium SteelInsulation Material: PolycarbonateWeight: 24gCountry of Manufacture: Japan