A device for use in penetrating tissue to obtain a body fluid sample is provided. A cartridge may be included. A plurality of penetrating members are slidably coupled to the cartridge. Each penetrating member has a distal end that is sufficiently sharp to pierce tissue. Each penetrating member may be moveable relative to the other ones of the penetrating members so that the sharpened distal ends extend radially outward to penetrate tissue. The penetrating members are elongate members without molded attachments.