Scorpion stock long powertube with cup seal and valve retaining screw, new. These are unused but have wear from kicking around for decades. See photos. New, came in Scorpion parts lot earlier this year. Fits long power tube Trracers and mavericks. Also fits Razorback, Blackwidow, Scorpion and some others. Does not work with Lapco, Line SI, stock nelson and other models.