The are made of iron and copper, ensuring lasting use and resistance to rust. With its fine craftsmanship, are firmly attached and not easily shed. This versatile cleaning tool can be used in a variety of settings, including homes and industrial environments. Features -Color:Golden -Material:Iron, copper -Size:10.00X1.90X1.90cm/3.93X0.75X0.75in -Size:10.00X1.70X1.70cm/3.93X0.67X0.67in -Size:10.00X1.50X1.50cm/3.93X0.59X0.59in -Size:10.00X1.20X1.20cm/3.93X0.47X0.47in -Size:10.00X1.00X1.00cm/3.93X0.39X0.39in -Size:10.00X0.80X0.80cm/3.93X0.31X0.31in -Effortlessly clean holes with ease using this wire hole cleaning set, designed to work with impact drivers. -With different sizes available, wide size range, these are suitable for a wide range of hole dimensions. -Constructed with copper and iron, these are built to last and provide lasting performance. -The wire brush won't easily come off during use, providing a stable and effective . -Versatile and suitable for use in a variety of settings, these are a must-have tool for anyone who needs to clean holes quickly and efficiently. Package list: 6 x Bore (8/10/12/15/17/19mm)