Aven Tools 10821S, Accu-Cut Oval Head Cutter, Semi-FlushAven Tools 10821S, Accu Cut Oval Head Cutter, Semi Flush Strong, versatile and long lasting, Accu Cut cutters are renowned for their superior cutting edge technology. Cutting edges have a hardness of 63 65 HRC for exceptional durability and are sharpened cut crisply at the very tip and along the entire length of the cutting edge. Unique joint design also ensures that the cutting edges stay in perfect alignment for superior performance. Grips are ESD