Perfect Fit for 1-1/2" Tubes Compatible with 38mm roller blind tubes, ideal for DIY upgrades or replacements window treatments (Please double check your tube size before place an order)
Motorize Your Roller Blinds Easily: 1. Remove the blind and chain drive 2. Measure the tubes inner and outer diameters to pick the correct motor (The tube diameter is 38mm) 3. Insert the motor 4. Set up the controls.