Schempp-Hirth foam rubber stabilizer-seal for single seater (and some double seaters).
Applied for sealing the transition between the horizontal stabilizer and vertical stabilizer.
Fits Schempp Hirth types; Discus (a/b/2a/2b/2c), Ventus (a/b/c/2a/2b/2c/3), Nimbus (b/c/2/3), Janus (b,c).
It is also possible to adapt it for other (older) gliders.