Internal ceramic bearing, very smooth. knife with logo,blue hard box packaging, bar code, foam,good for resell. Overall Length:7.87" (200mm) Blade Length:3.40"(86mm) Blade Thickness:0.12" Blade Material:9Cr18MoV Mark s90v Hardness:58-59HRC Blade Grind:Flat Finish:Stone wash Edge Type:Plain Handle Length:4.47" Handle Thickness:0.41" Handle Material: Titanium alloy Liner:Stainless Steel User:Right Hand, Left Hand Pocket Clip material :Tip-Up,Stainless Steel Knife Type:Manual Opener:Thumb Stud Model:940 Best Use:Camp/Hike, Everyday Carry Color:Gray Product Type:Knife Knife weight: 99g There will be a slight gap between the data measured by hand. I hope you can understand it.