Features: brand new and high quality Function: rust removal, grinding, stain removal, wall finishing. Remodeling accessories with universal blades to fit most reciprocating saws. Scope of application: all kinds of metal, wood, furniture, automotive field, kitchen cleaning, etc. The bristles of the black brush for head are made of steel wire, and the bristles of the white brush for head are made of nylon. They are suitable for sanding and removing tools from light to heavy stains, oil stains and rust. Specifications: Material: Nylon, Steel Wire, Iron, ABS Size: approx 18.5x9.8x2.5cm/7.28x3.86x0.98 inches Brush for Head Material: Steel Wire/Synthetic Fiber Package Includes: 1x Electric Cleaning Brush note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.