ERB25 Battery Roller Shade Motor for DIY Electric Roller Blind/Shade Tubular Mot

Included Components Install Instruction, Roller shade motor, 38mm rubber fittings. Style 38mm(1.5")tube, bare roller motor. Material 38mm/40mm(1.5")Tube,Just Roller Motor. Size Compatible for 1.5in,(38mm) OD shade tube.

eBay