330 Conibear body grip trap. For beaver, otter, nutrea and similar sized animals. A kill trap that is used by placing it in runways or over den holes. One word of caution, in most states it is only legal to use this trap under water. It has a 10×10 inch opening. The GEM Body Grip Trap Setter and 0963 Safety Gripper for safe handling are highly recommended! This is a very strong trap! Comes with directions for setting.