Schempp-Hirth foam rubber stabilizer-seal for double seater (and some single seaters).
Applied for sealing the transition between the horizontal stabilizer and vertical stabilizer.
Fits Schempp Hirth types; Janus (c, ce), Duo Discus (x, xl), Arcus (20), Nimbus (3d, 4, 4d), Quintus.
It is also possible to adapt it for other (older) gliders.