Outdoor Edge Cutlery Ignitro Fire Starter-Whistle Knife. The hollow ABS handle houses a locking 2.3" stainless steel folding blade with a removeable signaling whistle plus ferro rod and striker built into the heel. A special storage compartment is packed with fire-cord tinder for igniting a blaze in emergency situations. Specifications for Outdoor Edge Cutlery Ignitro: Manufacturer: Outdoor Edge Cutlery Blade Length: 2.3 in Blade Material: 7Cr17MoV stainless Overall Length: 7.3 in Age Group: Adults Handle Material: Stainless Steel Lock Type: Liner Lock Quantity: 1 Weight: 1.5 oz Package Contents: Outdoor Edge Cutlery Ignitro Outdoor Edge Cutlery IG-23C: Ignitro Fire Starter-Whistle Knife