Feature: 1. Function: The drill brush can do a tough cleaning job quickly, removing deep, old and stubborn stains for a more thorough clean and won't scratch your car's paint or furniture. 2. Advantages: This drill cleaning brush kit can reduce your fatigue and save the cleaning time, suitable for wet or dry applications. 3. Thoughtful Design: Extension bar can help you clean tight spaces or hard to reach environmental corner such as fireplace grates, drip pans, cracks, cars, etc. 4. Fully Equipped: Comes with different shapes and sizes of brushes to meet all household cleaning tasks, so you don't need to worry about broken or lost brushes. 5. Material: This brush is made of PP material, the bristles will not scratch the surface, wear resistant and heat resistant, and to ensure that the brush has a long lasting cleaning performance. Specification: Item Type: Drill Cleaning BrushMaterial: PPColor: YellowSize:Round Brush: Approx: 5.08cm/2in Ball Head Brush: Approx: 8.89cm/3.5inDisc Brush: Approx: 10.16cm/4inExtension Bar: Approx: 15.24cm/6in Brush Bristle Diameter: Approx: 0.15-0.5mm/0.005-0.01inFunction: Cleaning . Package List: 3 x Drill Cleaning Brushs1 x Extension Bar Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.