Swiss cutters are made from the highest grade steel using an advanced forging process. All parts are precision machined to a tolerance of .00039" resulting in total uniformity and consistency. A built-in, internal spring provides uniform, constant tension. The inter-lock screw joint system allows for a smooth, wobble free operation with no blade overlap. ESD-Safe grips. Available in semi-flush or full-flush cutting edges.Cut soft copper wire up to 12 AWG. Model 812N features semi-flush cutting blades, and Model 822N features full-flush cutting blades. Model 821N overall length 4-3/4" and jaw length .563". Model 822N overall length 4-3/4" and jaw length .563".