To lace concrete reinforcing steel with binding wire from a rollwire is twisted and cut in a single passhigh leverage joint minimising strain even when thick binding wires are usedextra slim form for tying deep mounted steel rodsthe high damping of the cutting stroke on cutting through the binding wire reduces the strain on tendons and musclescutting edges additionally hardened cutting edge hardness approx 61 hrchigh grade special tool steel forged oil hardened