About This [All-Alloy Housing] Our air needle scaler features a one-piece, all-alloy housing for superior impact resistance and wear. [Durable Steel Needles] Each scaler comes with 19pcs hardened, flat-tipped steel needles (3mm Dia. x 7" L), ensuring high hardness and excellent wear resistance. The needles are also easy to replace. [Easy Installation] With a screw-on connector, you can easily attach, detach, and replace your old needle scaler attachment anytime. [Wide Application] This needle scaler air tool works with your existing air hammer to effectively remove paint, rust, dirt from both regular and irregular surfaces. It's well-suited for automotive repair (like cleaning chassis and wheel hubs), construction, metal fabrication shops, and refineries. [Toolbox Essential] If you already own an air chisel hammer kit, our needle scaler is an excellent, cost-effective addition, so you don't need to buy a whole new set. Overview Brand : TRUCFUSION Power Source : Air Powered Included Components : 1X Needle Scaler Attachment Special Feature : 19 Needles, Compact, Heavy-Duty, Lightweight, Wear Resistant Product Dimensions : 9"L x 2"W x 2"H