With more torque and longer tip life, these SPEC OPS screwdrivers deliver ultimate control and perfect tip fit. The SPEC OPS 8-piece Screwdriver Set includes: 3 slotted (3/16 in. x 4 in., 1/4 in. x 4 in., 5/16 in. x 6 in.), 3 Phillips (PH1 x 3 in., PH2 x 4 in., PH3 x 6 in.) and 2 square (SQ1 x 3 in., SQ2 x 4 in.). All SPEC OPS screwdrivers are manufactured with CR-MO heat-treated steel blades for up to 2X longer tip life. The magnetized, Black-Ops Coated Tips provide a precise fit that reduces cam-out. These screwdrivers are tough, durable and constructed with maximum-control MOA grips for up to 40% more torque. The handle slot allows other screwdrivers to be inserted into the handle to apply added leverage and torque. For added convenience, the marked endcaps allow for quick tip style identification when stored in your tool belt or pouch.