Insulated Long Nose Pliers & SlimLine Blade Set, 8 Piece. Set Includes SlimLine Blades Slotted 3.0, 4.0, 5.5, 6.5mm, Phillips #1, #2 & 8.0" Long Nose Pliers. Pliers dropped forged of high C70 steel. Durable cutting is achieved through additional inductive hardening to approx. 64HRC. SlimLine blades, high alloy CV Steel, through hardened. Blades have up to 33% narrower insulation diameter then standard insulated tools.