19 Hardened Steel Air Needle Scaler. A perfect air tool for heavy duty surface preparation! This air needler is ideal for use with hard, durable, irregular surfaces that can withstand a heavy scouring. 19 hardened steel needles remove weld slag, rust, paint, and dirt. Compressor requirement: 30+Gal=Continuous; 7-29 Gal=Intermittent.This item is in the category "eBay Motors\Automotive Tools & Supplies\Air Tools\Other Automotive Air Tools". The seller is "itruststore" and is located in this country: US. This item can be shipped worldwide.