Svěrný kus pro uchycení per pro obraceče Krone – KW 11.02/10T, KW 13.02/12T, KW 15.02/14T, KW 4.60, KW 5.50, KW 5.52, KW 6.02/6, KW 6.70, KW 6.72, KW 7.82/6×7, KW 8.50, KW 8.82/8, KW 9.02/8T, KWT 7.70/6×7, KWT 10.50, KWT 8.50.