Widely Used: eliminates the need for frequent tool changes, meeting diverse cleaning requirements across compatible materials effortlessly Efficient Rust Removal: Achieve quick drill connection, for reduced manual effort, while ensuring effective polishing and stubborn rust removal, with reliable rust elimination performance Strong and Sturdy: Featuring dense steel wires and advanced anti-slip properties, it delivers stability to extend tool life during intensive copper pipe cleaning applications Revive Metal Luster: Delivers thorough cleaning and polishing for copper pipes, enhancing gloss and improving fluid efficiency in multiple maintenance applications without harsh effects Effortless to Use: Designed for single-handed use, offering excellent useal comfort in narrow spaces while fitting a general drill interface. Please note: Actual product may vary slightly in color or appearance, but this does not affect functionality. We appreciate your understanding! Specification:C:1inch or B:3/4inch or A:1/2inch Color: As Shown Material: Aluminum Alloy Package Contents: 1 x Copper Pipe Cleaning Brush 2 x Spare Brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.