Penumatic 12 needles scaler, 1. professional needle scalers 2. 12 needles included 3. good quality for removing rust Pneumatic 12 needles scaler Features:1)idle for the cleaning or removal of paint, rust, dirt, or weld slag.2)Durable, dependable and economical solution.3)12 needles included 1/4" Pneumatic 12 pcs needle scaler /12needles air scaler /rust removal