SM Glider by Sampson Mills
G200 STD Glider Strip White (strips have 10 Gliders per strip)
G200 STD Glider Black (No Strip)
 
G200 is compatible with all Sampson Mills Curtain / Drapery tracks and the following Silent Gliss Tracks as a 6083 Alternate:
 
6010, 3840, 6243, 2191, 2192, 6101, 6465 Curtain tracks
Also works with discontinued 5400 motorized track
 
Ideal for Pinch Pleated and standard curtain tracks. 
All parts ship from Bronx NY