0795.51.101 (079551101) Scarab Caliper Gasket Kit
These seals are to fit the scarab calipers (41mm OD pistons) as found on early Bevel Twins such as some 750 Sport with SCARAB caliper etc.
Order "qty 1" and you get what is shown - 2x piston seals & 1 x o-ring that goes between the caliper halves.