How to use:Turn to open the capChoose a suitable bit from the 8 different ones stored insideSet the bit into the top end of the driver. It can be held in position by the built-in magnetThe screwdriver is then ready to use Features:100% Brand New and high quality.Portable precision screwdriver setCompact, portable design, elegant lookNon-slip cap with engraved patternEngraved pattern promises comfortable touch and labor-saving performanceMade of high quality aluminum alloyIncludes drivers bits for different purposeIt is the perfect addition to your tool collectionSize (L x W x T): 110 x 15 x 15 mm