Adapter Set 2-1/2" (63mm) Silent Pin + ST50/LT50 RTA6U50BK

4.75" x 4.75" Pocket End Caps - 1 Pair

Somfy ULTRA 30 Li-Ion - Coulisse Roller/Roman Shade Assembly Kit - 36" to 72"

4" x 4" Blindspace S-Series Pocket End Caps - 1 Pair

Blindspace TrackTrim Splice Kit

5" x 5" Pocket, no flanges - Pack of TWO 144" pieces

5" x 5" Pocket, two skim coat flanges - Pack of TWO 144" pieces

4" x 4" Pocket, one skim coat flanges - Pack of TWO 144" pieces

TrackTrim for LUTRON Motorized Drapery Tracks - Up to 468" Wide