Glock Model 81 Survival Knife with Saw 28747. Overall the knife measures 11.4 inches long while the blade is 6.5 inches. The blade is made from spring steel treated with phosphate to resist corrosion. What makes this knife special is that one side of the blade has a plain edge with clip point style and the other has a saw edge. This knife can be used for cutting opening bottles or even as a weapon. The handle is made from black polymer giving the knife a smart look. As part of the price is a sheath also made from black polymer.Image may not be representative of color or style. Specifications for Glock Model 81 Survival Knife with Saw: Manufacturer: Glock Blade Length: 6.5 in Blade Shape: Clip Point Blade Material: Spring Steel HRC55 Phosphate-Treated Knife Application: Survival Included Accessories: Polymer Black Sheath Handle Color: Black Condition: New Handle Finish: Synthetic Black Package Contents: Glock Model 81 Survival Knife with Saw Glock 28747: Model 81 Survival Knife with Saw