6 x 50g Evo-Stik Hard & Fast Metal Epoxy Putty|Suitable for fixing towel rails, repairing exhaust pipes, stopping leaks in radiators, welding pipes together or filling around the outside of a tap|A strong waterproof fast setting epoxy putty that is designed for long lasting repairs; there is no need to drain the system prior to use as it can be applied to wet or damp surfaces and will even set undr water.|Easy and accurate to mix – simply cut off the required amount and mix the putty; can be moulded into any shaperequired; can be sanded, machined, stained, drilled and painted once dried. Sets in 10 minutes & fully cured within 1 hour. Once set it is as hard as steel!|Bonds to copper, brass, steel, aluminium, fibre glass, glass, hard plastics, wood and much more