Ridge Monkey FluoroCast Booms with QC Rotator Swivel 7inch – 18cm are a pack of three high quality booms designed for fast-paced big hit style fishing. Each boom features a large attachment loop for your mainline and a size 11 Connexions QC Rotator Swivel. - 3 booms per pack - Quality construction - Perfect for fast-paced big hit style fishing - 18cm / 7in fluorocarbon boom - Size 11 QC Rotator Swivel - Large, fused attachment loop - 1.5cm fused sections - 0.55mm diameter - 35lb breaking strain