Camillus Heater Carbonitride Titanium Boot-Neck Knife has carbonitride titanium which is one of the hardest surface treatments available, protecting the blade surface against wear, staining or damage. Constructed of 440 stainless steel with a Carbonitride Titanium non-stick blade. The Heater features a dual use Boot/Neck Knife. Includes thumb serrations for a solid grip. Additional features are a bottle opener and boot/belt clip. The Heater comes with a molded sheath and a beaded chain. Blade length is 1-3/4 inch and an overall length 4-1/2 inch.WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.