High-leverage design places the rivet near the cutting surfaces for better cut and grip power. Heat-treated Chromium-Molybdenum construction: cutting surfaces are induction hardened over 58 HRC Ergonomic bi-material plastic handles reduce operator fatigue during use Serrated jaws offer maximum gripping force The Paramount high-leverage lineman's pliers are crafted from heat-treated Cr-Mo steel for maximum strength and durability. Serrated jaws provide maximum gripping force. The ergonomic handle has a bi-material plastic dipped surface for comfort even during high-intensity jobs.