Bolt Cutter Fiberglass Overall Length 24 In. Soft and Med./Hard-Brinnell 300/Rockwell C31 7/16 In. Hard Materials up to Brinnell 455/Rockwell C48 7/32 In. Cutting Action Center Cut Jaw Material Steel Grip Style Electrically Non-Conductive Black Features Specifically Heat Treated Cutting Edges Finest Available anywhere for Use on Security Chains Chain Link Fences and Non-Case Hardened Locks Handles Electrically Non-Conductive to 100 000 Volts AC.