1、BRASS MATERIAL: The wire brush set is made of brass material, which is durable and has a long service life, suitable for the most demanding cleaning tasks 2、THREE STYLES FOR DIFFERENT SCENARIOS: Three styles are suitable for different scenarios, easy for you to install and simple to use 3、REMOVE BURRS, RUST, DUST: These wire brushes are used to remove burrs, rust, dust, and remove oxide layers, scale and paint in hard to reach areas 4、FOR MACHINE TOOLS: Suitable for your machine tools, different head shapes is convenient to meet your using needs 5、FOR METAL GRINDING: Brass wire wheels have excellent ductility and corrosion resistance, suitable for metal grinding of rotary tool Item Type: Brass Wire Wheels Material: Brass + stainless steel Shank Diameter: Approx. 3mm / 0.12in Specification: Model T shaped brush Bowl shaped brush Pen shaped brush Total length 40mm / 1.57in 50mm / 1.97in 48mm / 1.89in Brush head diameter 25mm / 0.98in 15mm / 0.59in 5mm / 0.2in 5 x T Shaped Brush 5 x Bowl Shaped Brush 5 x Pen Shaped Brush