Two-component Ergo™ handles: Thermoplastic surface on tough polypropylene provides superior grip|Material: High performance alloy steel|Polished and tough hardened 55-58 HRC|Precision screw joint that minimizes friction and maximizes alignment of cutting edges|Micro-Touch™: The shape of the handles makes it possible to control and rotate the pliers between thumb and index finger for precision work|Biospring® reduces tension throughout the working cycle of the tool and can be adjusted in three different positions|Burnished finish