Perkins Retractors 4â…ž" (125mm), curved arms Back to Products     Catalogue #       485-257   3 semi-sharp prongs, 13mm deep, on right, 12.5mm x 25mm solid blade with teeth on left 485-258   3 semi-sharp prongs, 13mm deep, on right, 12.5mm x 25mm solid blade with teeth on right