Makeblock robot grippers makeblock 86508 the mini gripper from makeblock is an add on for your makeblock kit that is perfect for getting a grip on lightweight objects the gripper is made from acrylic and powered by a 9g servo to grab and carry small items such as ping pong balls plastic cups makeblock parts etc for heavier loads we also supply the makeblock robot gripper 75 0703 with a capacity of up to 65mm and 15kgsupplied as a full assembled unitthe me rj25 75 0712 adaptor is re