Dahle's Super Shears are designed to accommodate the needs and comfort for both personal and professional use. The handles are made of tough ABS plastic that gentle forms around your fingers. These commercial grade shears can handle the toughest material as well as the most delicate fabric. They feature Solingen steel cutting blades that are machine ground and hardened to 56 Rockwell. This specification is considered the optimal hardness of metal for maintaining a sharp edge. The blades are screw fastened and can easily be tightened to your personal preference. They feature a range of sizes up to a 10" Long model.