Perm-O-Seal Stick Leak Sealer

JB Weld, Perm-O-Seal Stick, Specially Formulated Non-Toxic Compound Ground To A Very Fine Particle Size To Quickly Mix & Flow Into All Areas Of The Cooling System To Fina & Seal Leaks, Powered Concentrate Allows For An Economical Repair As compared To Liquid Based Alternatives That Use Similar Technology, Great For Permanent Repairs For All Car, Truck, Van, Bus & Tractor Radiators, Will Not Clog Or Harm Cooling System.