What feature distinguishes hard-edge, flexible-back blades in their design?

The distinguishing feature of hard-edge, flexible-back blades is their flexible back, which allows for improved maneuverability during cutting operations. This design enables the blades to bend slightly while maintaining a sharp and hard cutting edge, making them particularly effective for intricate cutting tasks or when following curved lines. This flexibility provides the operator with better control over the cut, enhancing precision and reducing the risk of breakage that can occur with stiffer blades.

The blades are engineered to balance the hardness needed for cutting with the flexibility required for maneuverability, making them ideal for various applications. This design characteristic is what sets them apart in the world of metal cutting tools.