A multi-purpose professional two part filler for very easy sanding. It combines excellent filling properties together with easy sanding. It is light grey in colour and hardens in 20 minutes and can be over coated with any paint. It creates a strong bond to metal, wood, concrete and GRP. It can be used to repair holes in cars, holes and splits in timber, fill cracks in concrete, mend metal pipes and secure bolts and screws.