Grobet Precision files. The standard for quality and performance! Also known as square handled needle files, these precision files are available in most of the needle file shapes. Overall length is 5-1/2" (14 cm), length of cut is 1-9/16" to 2-9/16" (40 to 65 mm) depending upon shape. Widely used by jewelers, watch makers, die makers, and fine mechanics. The higher the cut, the finer the grit. Sold individually.