Emergency Repair Kit - contains rubber cords, LOCTITE 404 and tools to create customized O-rings.The LOCTITE O-Ring Kit is an emergency repair kit for making replacement O-rings on the spot. It is easy to handle and ready for use in just a few seconds. The integrated LOCTITE 404 creates a strong bond line a strong as the rubber itself. The kit contains five different sizes of nitrile rubber cord, a splicing jig, a safety knife and 20 g of LOCTITE 404. All you need!