The B-G Racing Aluminium Camber Frame 3 Pin Adaptor is produced from aluminium with a durable black powder coated finish and is designed to convert the B-G Racing Aluminium Camber Frame (BGR307) into a 3 Pin hands free measuring device. Used in conjunction with our B-G Racing Aluminium Camber Frame (BGR307), B-G Racing Turn Plates (BGR301) or EZ Sweep Castor Slip Plates (BGR302), the B-G Racing Aluminium Camber Frame 3 Pin Adaptor also allows the user to take accurate castor measurements.