Feature●Ergo Grip files offer the craftsman something different; precision files designed for those "in-between" jobs, too big for needle files and requiring finer control than a larger, heavier file can deliver. The distinctive design includes a built-in handle, so theres no separate handle to buy and theyre shaped for easy handling and balanced for efficient cutting.●These strong, durable files are ideal for a variety of uses. Length of cut is 4a co" (10 cm) and the overall length is 8-1/2" (22 cm). 13/64 wide.●The most advanced CNC equipment and the best available robotic technology ensures that Grobet files are manufactured to the highest standards of dimensional accuracy, cutting performance, and service life.●Swiss Pattern” files means a type of fine file used for precision filing of jewelry, instrument parts, and dies.●Used by Professionals.Description Ergo Grip files offer the craftsman something different; precision files designed for those "in-between" jobs, too big for needle files and requiring finer control than a larger, heavier file can deliver. The distinctive design includes a built-in handle, so theres no separate handle to buy and theyre shaped for easy handling and balanced for efficient cutting. These strong, durable files are ideal for a variety of uses. Length of cut is 4" (10 cm) and the overall length is 8-1/2" (22 cm). 13/64 wide.