The BlueSpot Tools Hex Bolster Screwdriver Set is manufactured from chrome vanadium steel for increased durability. Each screwdriver has a hex shaft and a bolster on the screwdriver handle so you can apply high levels of torque. Fitted with a heavy-duty, soft grip handle to aid grip and increase user comfort. Contains the following sizes: 3 x Phillips Screwdrivers: 9.5 x 200, 3 x 75, 6 x 38mm 3 x Slotted Screwdrivers: 3 x 150, 2 x 100, 1 x 75mm