Weitlaner Retractors hinged blades Back to Products     Catalogue #       305-175   5½" (140mm), 3 x 4 sharp prongs, 18mm deep 305-176   5½" (140mm), 3 x 4 blunt prongs, 18mm deep 305-180   6½" (162mm), 3 x 4 sharp prongs, 18mm deep 305-181   6½" (162mm), 3 x 4 blunt prongs, 18mm deep