RAM Mount 1.5" Ball w/1/4"-20 Male Threaded Post f/Cameras [RAM-237U] Brand_Ronstan Consists of the universal spring

Consists of the universal spring loaded X-Grip II holder

Airmar 509LHW 3kW 28 to 60kHz & 150 to 250kHz Thru-Hull Transducer

25" diameter rubber ball and socket system with adjustment points at both socket ends of the arm

Provides 1-mile

BlueChart g3 HD features 1-foot contours that provide a more accurate depiction of bottom structure for improved fishing charts and enhanced detail in swamps

RAM Mount 1.5" Ball w/1/4"-20 Male Threaded Post f/Cameras [RAM-237U] Brand_Ronstan Consists of the universal springRAM 1. 5" Ball with 1 4" 20 Male Threaded Post for Cameras The RAM 237U, universal camera and camcorder base, consists of a 1. 5" diameter rubber ball, connected to a 1 4" 20 camera thread. The male thread matches most standard camera and camcorder female threads found on the bottom of the camera. Compatible Cameras: Contour GPS Contour HD GoPro HD Helmet HERO GoPro HD Motorsports HERO GoPro HD Surf HERO GoPro Helmet HERO Wide GoPro Motorsports HERO