Description: Smooth flowing rounded design removes edges around the swivel that may cause the hooklength to tangle. Made of high quality rubber material, nontoxic and safe to use. Flexible stepped bore will accommodate swivels well. Robust rubberized construction acts as a buffer to reduce pressure on the lead attachment knot. Protect the knot and keep your setup neat and tidy. Specification: Material: Rubber Length: approx. 10mm/0.4inch Diameter: approx. 0.5cm/0.20inch (Large End) Diameter: approx. 0.25cm/0.10inch (Fine End) Package Includes: 60 Pieces Carp Fishing Buffer Beads