【Material】Our metal drill brush is made of high-quality brass and steel materials, environmentally friendly, durable and sturdy to use. 【High Quality】Offers the best quality of tie brushes to give you a long service on the toughest cleaning tasks. These bucket brushes are ideal for cleaning castings, structural steel and sheet metal. 【Wire Brush Set】36pcs complete set of wire brush kit, mini size, can meet your different requirements, economical and practical. Includes 18 copper wire brushes and 18 steel wire brushes. 【Excellent Workmanship】Quick release burrs, rust, dust and oxide layer. 【Wide Application】Adjust for different angles of wood, metal materials etc., polishing and grinding all kinds of rough