VEVOR 100 Ft x 1/2Inch Drain Cleaner Machine fit 2 Inch (50mm) to 4 Inch(100mm) Pipes 550W Open Drain Cleaning Machine 1700 r/min Electric Drain Auger with Cutters Glove Drain Auger Sewer Snake

It is recommended to follow the correct method when clearing the pipeline to avoid pipe bypass.

Hello, the spring can advance and retreat automatically.

We do not sell parts separately. All our products have a 12 month warranty and if there is a problem with your purchase during the warranty period, we can send you a replacement part free of charge(Except for consumables, they need to be purchased by you yourself). Please click the following link to contact us: https://www.vevor.com/pages/contact-us.

You can buy a 100-foot spring and a 50-foot spring. The 50-foot spring is external. When using it, connect the 50-foot spring first.

Yes, the automatic feeder can be removed.

Yes, it has automatic cable retraction capability.