The BlueSpot 12 PCE Hex Bolster Screwdriver Set is manufactured from chrome vanadium and features a hex shaft and a bolster on the screwdriver handle so you can apply high levels of torque. The drivers feature a heavy duty soft grip handle to aid grip and comfort for the user.Package Contents - Slotted: 9.5 x 200mm, 8 x 150mm, 6 x 100mm, 5 x 75mm, 3.2 x 75mm, 6 x 38mm. Phillips: PH4 x 200mm, PH3 x 150mm, PH2 x 100mm, PH1 x 75mm, PH0 x 75mm, PH2 x 38mmManufactured from chrome vanadium for increased durabilityHex bolster for additional torqueMagnetic tips to securely hold screws