VEVOR Lawn Edger, 20 V Battery Powered Cordless Edger, 9-inch Blade Edger Lawn Tool with 3-Position Blade Depth, Battery and Charger Included, for Lawns, Driveways, Borders, and Sidewalk Edges

It is steel.

We regret to inform you that our website currently does not sell parts individually. You can ask us for the specification when battery will no longer charge.

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 will 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.

33--41mm.

Yes, the handle is adjustable for comfort. The product description states that it is designed with an ergonomic handle that is adjustable to ensure comfort and versatility.