The Wychwood Extremis Q/R Fixed Buzzbar is built from hard-wearing high-grade 6061 aluminium with an anti-glare black anodised finish. It uses quick release alignment collars and CQT (captive quick turn) thumb screws for secure and simple rod positioning. - Adjustable 2 rod 15-25cm - Adjustable 3 rod 28-40cm - Fixed 2 rod options – 12, 15 or 18cm - Fixed 3 rod options 20, 23 or 27cm