TYPE: ZNN SIZE: 181 (STD) , N. FLE 10.1 – 2020, VERSION B; S=33, PART 1/2 : (PART NO. 1) DESIGN B; NL=90; BORE 80 H7, GROOVE DIN 6885-1 P9; 1 STSCHRB., PART 1/2 : (ITEM 2) VERSION B; NL=90; BORE 75 H7, GROOVE DIN 6885-1 P9; 1 STSCHRB., K1 = PRESERVATION, PRESERVATION WITH EMULSION CLEANER