These tough non-woven nylon abrasive pads cut fast and conform to contoured surfaces, and rinse clean with soap and water so you can use them again. Great for finishing, rust removal or smoothing turnings right on the lathe. Set includes 4 pads: 1- heavy Duty -Coarse 1- General Duty -Medium 1- Light Duty -Fine 1- Non-Abrasive -Super Fine