PS-289 Mr.Procon Boy WA Platinum (0.30 mm)
PS-270 Mr.Procon Boy FWA Platinum (0.20 mm)
PS-274 Mr. Procon Boy Double Action (0.30 mm)
PS-266 Mr.Procon Boy LWA (0.50 mm)
PS-267 Mr.Procon Boy FWA (0.20 mm)