Blades are made from German 420HC (high carbon) surgical quality stainless steel and are heat treated and annealed to about 53 Rockwell (a measure of hardness). Every edge is hand finished and polished to razor sharpness. Machete handles are made from solid Polypropylene. Condor Leather Sheaths are high quality, heavy duty, hand crafted black leather. Your choice of Blade Finishes: 18" Blasted Satin Blade: 18" Blade/23" Overall Length Blade Thickness - 2.2mm Weight 1.36 lb. Blasted Satin Finish is achieved by sand or bead blasting the metal parts. 20" UltraBlac2 Finish Blade: 20" Blade/25" Overall Length Blade Thickness - 2.2mm Weight - 1.44 lbs. UltraBlac2 Finish is a black oxide finish for greater metal protection and to provide a more subdued Para Military like look. This special black oxide is actually cooked into the metal at 285° F. This finish meets and exceeds several military specifications from the U.S. and from other countries around the world. $46.95Size/Blade Finish: CTK2040S - 18 Inch Blasted Satin FinishCTK2042B - 20 Inch Blasted Satin Finish Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.