Pleated Curtain Cream Square Shaft Cord Tube Spool Right is designed for right-oriented use and is compatible with 5.5 mm square shafts. It fits onto grooved upper rails with a 6 mm channel. This cream-colored model works perfectly with the SPY449 chain mechanism. Its left-oriented counterpart is the SPY369 spool. It is an essential component for neatly gathering cords and ensuring the smooth operation of pleated curtain systems.