Radiator roller kit containing a 530mm (21in) roller frame and two 100mm (4in) medium pile rollers for use with emulsion paints on smooth/semi smooth surfaces. Ideal for painting behind radiators, pipes and other awkward places.: Radiator Roller Kit Frame & 2 Refills Radiator roller kit containing a 530mm (21in) roller frame and 2 100mm (4in) medium pile rollers for use with gloss and emulsion paints , Ideal for painting behind radiators , pipes and other awkward places. 1 x Faithfull Radiator Roller Kit Frame&2 Refills 100mm 4in.