Product details:

Needle scaler has 1/4" NPT air inlet and a minimum sized hose of 5/16". Needle scaler includes adjustable bayonet-type needle housing lock and finds application in variety of finishing and surface preparation tasks such as removing rust, paint and welding splatter. It has rubber-faced throttle valve and allows the user to choose the needle materials for various surfaces. It operates at 90 psig and comes with precision heat-treated needles to enhance the performance.