Generic Trac II- 50 Blades ~ Twin blades with Aloe lubrastrip for Gillette Trac II razors. (The blades that slide on from the side) They do not fit the Atra or Sensor type razors, see the extra photos to confirm what razor these blades fit.  These blades are not made by Gillette, they are quietly made by Schick (Not so generic after all!) .  Superb quality at a dramatic price discount. Sold in plain tray bulk packaging.  5 x 10 Pack..  Trial 10 pack size also available to see if they are suitable for your needs