(LOT) RollEase Cord Chain Tension Device Shade Blind Clutch Replacement Parts
It looks like a cord or chain tension device because I can't see where a gear or clutch would attach to this, but I simply don't know.
RollEase SL20H53EXT Clutch for 1.5in Tube
Rollease Clutch #SL20H53EXT. Fits 1 1/2" tube.
Rollease Skyline SL20 Roller Shade Clutch-White SL20H53W-for shades up to 20 Lbs
MPN # SL20H53W. RollEase revolutionized roller shades, increasing their appeal and types of applications. Skyline SL20 Roller Shade Clutch. reliability, ease of pull, and aesthetic appeal are needed.