The 12" Three Square Bastard File by KNIPEX is designed for precision metalworking and woodworking applications. This file features a triangular cross-section, ideal for sharpening and shaping corners and angles. Made from high-quality steel, it ensures durability and longevity. The bastard cut provides a balance between aggressive material removal and a smooth finish. With dimensions of 12 inches in length, it fits comfortably in hand for extended use. Perfect for professionals and DIY enthusiasts alike, this file is a must-have for any toolbox.