Portable Rust Removal Gun: The Electric Needle Rust Remover Has A Motor Power Of 1100w (1.1kw), An Unloaded Speed Of 3600-4500rpm, And Is Compatible With 3x180mm Steel Needles. The Maximum Working Cycle Time Is 30 Minutes, And It Supports Multiple Frequencies (50/60hz) And Voltages (110v/220v). Core Configuration: The Remover Welding Slag Cleane Is Equipped With A High-End Copper Wire Motor And 23 Or 100 Hardened Rust-Removing Steel Needles (3x180mm). The Needles Are Easy To Replace, And Daily Maintenance Is Convenient. Safety And Performance: The Marine Needle Machine Has A Switch-Lock Function To Prevent Accidental Start-Up. The Motor Is Highly Stable, Has High Electrical Safety, And A Long Service Life, Increasing The Effective Working Depth And Efficiently Treating Stubborn Rust. Structural Design:The Handheld Needle Rust Remover Features A Streamlined, Extended Front Air Duct And A Compact Crankcase. The Front Handle Is Detachable And Can Be Quickly Fixed. Some Models Have An Aluminum Shell Or An All-Steel Structure. Applicable Scenarios: Rust Removal And Cleaning Tools Are Suitable For Harsh Working Conditions Such As Shipbuilding, Construction, And Casting. They Can Effectively Remove -Surfaces Deposits Such As Coatings, Rust, And Welding Slag, Making Them Professional Processing Tools.