C， 100% brand new and high qualityFeatures:They are manual head screwdriverApplicable for installing in electric screwdriver， hand screwdriver， electric drill and other toolsHigh biting level reduces damage to the screw head ， the head of screwdriver is magneticAdopts the CR-V manufacturing skill and overall high-frequency quenching， super hardness， high torque， long lifetimeStoried in upper and lower plastic case， provides different models to choose， easy to use and carrySpecifications:Shank diameter: 1/4 inchTamperproof Torx: T8 / T10 / T15 / T20 / T25 / T27 / T30 / T35 / T40Spanner Sizes: 4mm/ 6mm / 8mm / 10mmTorx Bits: 6mm / 8mm / 10mmTri Wing Bits: 1mm / 2mm / 3mm / 4mmImperial Tamperproof Hex Bits: 5/64" / 3/32" / 7/64" / 1/8" / 9/64" / 5/32"Metric Tamperproof Hex Bits: 2mm / 2.5mm / 3mm / 4mm / 5mm / 6mm2.5" Magnetic Bit HolderCase size: app.6.7cmx4.8cmx2.8cm/2.63''x1.88''x1.10''(LxWxH)Color: As the pictures shownQuantity: 33 PiecesPackage Included:1 x  33Pc Security Tamper Proof Torx Bit Spanner Star Hex Holder Rod Screwdriver Set