The ESEE-4 is one of the most popular ESEE knives ever made. With its 3/16 thickness, its the perfect blend between toughness and cutting efficiency all in a small package. If you can only choose one, then the ESEE-4 is the do-all workhorse of the ESEE line.SPECSOverall Length: 9.0Cutting Edge Length: 4.1Overall Blade Length: 4.5Blade Width: 1.25Weight (Knife Only): 8.0 ouncesDrop Point Blade StyleMaximum Thickness: .1881095 Carbon Steel, 55 57 Rc. (Carbon Steel Models)440C (Stainless Steel Models)Textured Power Coat Finish (Carbon Steel Models)Removable HandlesRounded Pommel w/ Lanyard HoleMolded Sheath w/ Clip Plate (Sheath Color Depends On Model)Made in the U.S.A.ESEE-4S-MB (Partially Serrated, Black Blade, Coyote Brown Sheath, MOLLE Back)