Needle Scaler is equipped with 12pcs rust removal steel needles, it enables you to remove stubborn rust, paint and weld slag from hard metal surfaces easily.. The air scaler works at the impact frequency of 4000 BPM. Air pressure is 90 PSI, Air inlet is 1/4".. One-trigger-operation eliminates complicated preparing steps and is easy for green hand to use. The needle scaler is constructed of carbon steel, sturdy, anti-corrosion and anti-rust,which ensures long-lasting performance.. Compact Air Needle Scaler is perfect for surface preparation involving the removal of rust, dirt, paint, and weld slag from hard metal surfaces such as cleaning tractor parts.
