236-2824, OPTIBELT, OPTIBELT Timing Belt Pulley, Aluminium 4 mm, 6 mm Belt Width x 2.5mm Pitch, 40 Tooth, Brand OPTIBELT, Number Of Teeth 40, Pitch 2.5mm, To Suit Belt Width 4 mm, 6 mm OPTIBELT Timing Belt Pulley, Aluminium 4 mm, 6 mm Belt Width x 2.5mm Pitch, 40 Tooth