How to unscrew this square screw?

Buy Jackly 32 Pcs Yellow & Red Combination Screwdriver Set, 6032-A Online in India at moglix Shop from the huge range of Jackly Screwdriver Sets

These-six-pointed bits resist slippage or cam-out better than slot head or Phillips head designs In fact, TORX head bits and screwdrivers were

square slot cutter Screwdriver Sets · Combination Screwdriver Set · Screwdriver Set Combox -long 3 Pc · Square Recess Tip Driver Set, Chrome Plated Shank, 4 Pieces · Esd Combination

kerja admin slot slotted screwdriver I go on to show a Robertson square #1 bit, a combo Phillips regular