Screw Drivers are used for tightening or loosening the screws. JKSD screw drivers are manufactured as per IS: 844-1979. These are having high grade C.A. / PVC handles and blades of high quality steel. These screwdrivers are also having magnetized tip to lift screws. There are three variants, Flat (Slotted) tip, Phillips tip and Hammer Type Screwdrivers available in this category. Flat tip Screw Drivers are used to drive screws having rectangular slot in their heads, Phillips tip Screw Drivers are used to drive screws having Phillips type slot in their heads and Hammer type Screw Drivers can be used with hammer as steel striking plug is inserted on the head.