Reduce wear and tear on your pole lines during using Drennan\'s extra-long PTFE Internal No.4 Bush.Made using 100% pure PTFE material, the Internal Bush from Drennan is much longer than other types, and will reach the other end of your pole, creating a frictionless tube section at the end of the pole tip. Each pack includes two Size 4 PTFE bushes.Maintains frictionless contact between bush and elasticLonger than other pole bushesMaterial: 100% PTFESize: No.42 per pack