Motospray Primer & Putty In One is a high build, acrylic based, premium undercoat designed for priming and filling over bare steel, body filler, stop & finishing putties, fibreglass repairs, scratches, minor surface imperfections and stone chips. Its unique formulation ensures that there is no need to apply a putty and a primer over the prepared surface. Motospray Primer & Putty In One is the only product required before topcoat.