Cambo BV was founded in The Netherlands and today, it is a part of the Calumet Professional Imaging Group. Since several years Cambo has expanded their product range into the market for Video supports, including an innovative series of video booms for the demanding amateur as well as the professional video and broadcast companies. This is a Cambo VCW-3 Counterweight. It is one of six counterweights available for a Cambo V Series Video Boom Kit. This one is 6.6 lbs (3 kg). Pick your counterweight according to the camera you intend to use.