Two pieces of Space Shuttle shock absorber material for a flown Space Shuttle Solid Rocket Booster hold-down post of Launch Pad 39. One piece measures 6 x 6 x 3; the other measures 6 x 7.5 x 10.5 and has dirtied parts removal tags attached. In overall very good condition, with expected wear. From the collection of aerospace memorabilia specialist Ken Havekotte. Flown status presumed by Havekotte.