MR.SIGA Professional Microfiber Mop for Hardwood, Laminate, Tile Floor Cleaning, Stainless Steel Handle

Step 1. Release the handle by turning it anti-clockwise

Step 2. Now the handle can be extended to your desired position

Step 3. Twist the handle clockwise to fasten the position

Step 4. Turn the blue plastic ring anti-clockwise to lock it.