73397000 Simonds Round Smooth File,American,6" Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: SIM73397000 Qty On Cart Features Often referred to as Rat Tail Files, smooth cut round files are intended for enlarging and rounding out circular openings or concave surfaces with a f... Features Back FeaturesOften referred to as Rat Tail Files, smooth cut round files are intended for enlarging and rounding out circular openings or concave surfaces with a fine cut for smooth finishes.