Finish Line HALO Wet Lube Bottle and Tool Set - 4ozFinish Line HALO Wet Lube Bottle and Tool Set 4oz. HALO Wet chain lubricant is engineered for unparalleled drivetrain performance in both clean dry and wet conditions. Three elite grade ingredients deliver superior results. Gas To Liquid (GTL) is a hydrodynamic fluid film synthesized from natural gas. Its unique molecular structure minimizes drivetrain noise dramatically reduces friction repels water and maintains viscosity in extreme temperatures