Redged Professional Ball Head B-series RNB-1 Perfectly designed, very small ball head with great performance Adjustable friction gives you accurate control over your camera movements no grease used so dirt and sand will not stick on to damage the functions Only 330 grams/11.74 oz an a great max load of 6 kg/ 13.23 lb B-series quick release, the best way to put a camera on a ball head