Eurotool's Relentless Precision premium quality 4-1/2" (115mm) box-joint pliers are the most popular size used by professionals for fine work. Each lightweight German-made plier has been superbly polished. Made of the highest quality steel and feature blue vinyl-coated handles. Double-leaf springs for smooth operation. Cutters in this series have a Rockwell hardness of 58. This four piece Relentless Precision Plier Set contains one each chain, flat, round and regular jaw sidecutter packaged in a leather pouch.