C k precision screwdriver slotted ph tx set of 7 ck tools t4896 ergonomically designed handles with hollow rotating cap for ease of use and precise control blades manufactured from premium quality chrome vanadium molybdenum steel for strength tips accurately machined for the ultimate screw fit contains 6 double ended interchangeable bits slotted 1 5 2 4 4 ph000 ph00 ph0 ph1 tx05 tx06 tx07 tx08 ck tools t4896 precision screwdriver slotted ph tx set of 7