The handle of the file has been developed in accordance with the scientific ERGO™ process for maximum comfort with minimum effort Comfortable two-component handle provides excellent grip For filing concave and flat surfaces and large holes Suitable for deburring Shape: Tapered towards the tip 4" and 6" heavily tapered; 8" and longer less strongly tapered Type of teeth: 1 = bastard, 2 = semi-sweet, 3 = sweet Double-cut surfaces, uncut edges Easier access to corners and edges due to the tapered shape Unit package, on card