These knipex kpx0302160 are traditional combination pliers are made from a top quality special tool steel forged and oil hardened to approximately 60 hrc for added strength and durability and come in three variations a 6 14 inch 7 and 8 inch the cutting edges are ideal for hard and soft wire these are also oil hardened and tempered and then separately induction hardened the knipex kpx0302160 combination pliers have chrome plated heads for smooth operation handles with heavy duty pvc grip for a s