The Stanley Fatmax 40-Piece Standard Screwdriver Bit Set contains a variety of screwdriver bits suitable for cordless drills. It includes a range of screwdriver bits for everyday use including metric nut drivers Phillips Pozi Hex Torx and slotted screwdriver bits. Featuring easy screwdriver bit removal and retention for user convenience connectable casing that allows for multiple sets to be stacked and locked together is also compatible with the TSTAK„ Caddy to hold all your accessory sets in one place. Perfect for driving fixings for a variety of jobs around the home and garden including flat pack furniture assembly hanging pictures shelves curtain rails or outside lights driving large bolts decking.