Tiger INOX 9 inch type 27 combo wheels are specifically designed for high performance when cutting and grinding stainless steel. These wheels incorporate a Contaminant-free bond that delivers a worry-free solution for stainless steel applications. Combination wheels offer flexibility and efficiency when switching between cutting and grinding applications with a right angle grinder. The 5/8″ – 11 nutted metal hub allows for quick spin-on, spin-off changeover and eliminates cross-threading or sticking to spindle due to heat build-up. Contaminant-free INOX wheels contain less than 0.1% iron, sulfur, and chlorine, resulting in a worry-free solution for stainless steel applications. Long wheel life on heavy duty applications. Premium aluminum oxide grains provide an even, sharp, clean cut rate and consistent performance. Combination wheels offer flexibility and efficiency when switching between cutting and grinding applications. 5/8″ – 11 nutted metal hub allows for quick spin-on, spin-off changeover and eliminates cross-threading or sticking to spindle due to heat build-up.