I bought the Mini Needle Scaler from HF. This works great for removing undercoating. Keep it down at a shallow angle. It breaks off the thick coating in big chunks and pulverizes the thinner stuff.


'66 C60 body, '97 C6500 chassis, '07 LBZ Duramax with Allison 1000
https://photos.app.goo.gl/cxwv1C6Ay2oxYH7u7