Head shape provides optimized movement when tightening steel mesh knots during reinforced concrete work Cutting edges for soft, medium and hard wire Cutting edges induction hardened, cutting edge hardness (approx. 61 HRC) Cutting capacity - up to o 5/32" for soft, up to 7/64" for medium and up to 3/32" for hard wire High-grade special tool steel; forged, multi stage oil-hardened