Bits, Blades and Handles are removable tips and handles with a specific design. One end of these tips will fit into a handle while the other end will fit into the head of a bolt/nut/screw with the same design. The tip types are Bristol, combination, drill bit, hex, pentalobe, phillips, pozidriv, Schrader valve, security, slotted, spanner, square, torq-set, torx, tri-wing, triple square, Xeno, and 90° countersink.