The 263 two star fiberglass retractable and refillable scratch brush with plastic handle is very useful when cleaning and polishing. The adjustable exposure of the brush allows for soft or hard brushing. The overall length is 4.25 and the brush is .63 in diameter.Specs amp; FeaturesScratchApplication: For cleaning amp; polishing, Quality: , Surface Resistivity : Insulative, Shape: Straight, Material: Plastic Handle wFiberglass Bristles, OAL: 4.25 (106.25mm), Body Width: 0.63 (15.75mm), Tip Width: .32 (8mm)