A controllable gripper for a robot, the controllable gripper comprising - a plurality of gripping members (M1, M2) arranged to engage with a surface of an object to be gripped, wherein the plurality of gripping members (M1, M2) are arranged in a controllable gripping configuration, - a base part having a body and a top part which is arranged for connection to a robotic actuator, wherein a central vertical axis (az) through the base part is an axis from the top of the base part and to a bottom of the base part through a centre of the body of the base part, - four arms (A1, A2, A3, A4) connected to the base part, wherein each arm (A1, A2, A3, A4) - has at least one gripping member comprising a suction cup mounted on or near its distal end, so as to allow gripping on a surface forming a plane which is parallel with an axis along the length of the arm, and - is slidably arranged relative to the base part, so as to allow the arm (A1, A2, A3, A4) to move a position (D1, D2) of the gripping member (M1, M2, M3, M4) relative to the base part, and - a controllable actuator system comprising at least two separately controllable rotation electric motors (MT1, MT2) arranged to control position of the four arms (A1, A2, A3, A4) relative to the base part, wherein the four arms (A1, A2, A3, A4) are arranged to move along respective axes (ax, ay) which are perpendicular to the central vertical axis (az) through the base part, and wherein the four arms (A1, A2, A3, A4) are arranged to move in different directions relative to the base part, so as to allow the gripping members (M1, M2, M3, M4) to form various gripping quadrangle sizes upon control of the at least two separately controllable rotation electric motors (MT1, MT2). - a plurality of gripping members (M1, M2) arranged to engage with a surface of an object to be gripped, wherein the plurality of gripping members (M1, M2) are arranged in a controllable gripping configuration, - a base part having a body and a top part which is arranged for connection to a robotic actuator, wherein a central vertical axis (az) through the base part is an axis from the top of the base part and to a bottom of the base part through a centre of the body of the base part, - four arms (A1, A2, A3, A4) connected to the base part, wherein each arm (A1, A2, A3, A4) - has at least one gripping member comprising a suction cup mounted on or near its distal end, so as to allow gripping on a surface forming a plane which is parallel with an axis along the length of the arm, and - is slidably arranged relative to the base part, so as to allow the arm (A1, A2, A3, A4) to move a position (D1, D2) of the gripping member (M1, M2, M3, M4) relative to the base part, and - has at least one gripping member comprising a suction cup mounted on or near its distal end, so as to allow gripping on a surface forming a plane which is parallel with an axis along the length of the arm, and - is slidably arranged relative to the base part, so as to allow the arm (A1, A2, A3, A4) to move a position (D1, D2) of the gripping member (M1, M2, M3, M4) relative to the base part, and - a controllable actuator system comprising at least two separately controllable rotation electric motors (MT1, MT2) arranged to control position of the four arms (A1, A2, A3, A4) relative to the base part,