Rebar jaws are consumables, and a cutter is only as sharp as the last set installed. This six-piece replacement jaw set keeps a 16 mm hydraulic rebar cutter working through the job instead of stopping halfway, and it ships with the hardware the swap actually requires: 12 hexagon screws and 12 spring washers, so nothing has to be scavenged off the old blades or sourced separately when a jaw finally gives out. The jaws are machined from Cr12MoV steel and hardened to HRC58-60, a combination chosen so the cutting edge holds its geometry under load rather than curling over or deforming after a stretch of heavy bar. Cnc machining sets the blade profile to a consistent size across all six pieces, which means each jaw seats squarely in the head and the two halves meet cleanly. The result is a shear rather than a crush: the cut finishes in a short stroke and the bar end comes off square instead of flared. Rated for bar up to 16 mm, or 5/8 inch, these jaws handle deformed rebar along with round steel, carbon steel and square stock, covering the range most concrete and reinforcement crews work through in a shift. They are designed for the Rc-16 model cutter, and changing them over is deliberately simple: back the screws out with an Allen wrench, lift the worn jaw free, set the new one in place and tighten it down. Keep a spare pair in the case and a dulled blade stops being a reason to pack up early.