Handle is a steel reinforced frame with spacer and Textured black G-10 overlay, also has lanyard hole. Spring Assisted opening with SPEEDSAFE Technology. Blade opens smoothly with the FINGER-FLIPPER and locks in fully opened position, used a liner-lock release to close the blade. The part that looks like a Thumb Stud is actually a blade-stop and will not function as a thumb stud opening mechanism. Comes with pocket clip mounted in the right-handed Tip Down carry position, but can be mounted for right or left handed, tip up or down.(ie: 4 position pocket clip). This is truly a great knife. Closed length: 4.5 Blade length: 3.5 Knife weight: 6.3 oz. The item "ZERO TOLERANCE usa SPRING ASSIST flipper knife S30V Ken Onion ZT 0350ST ZT0350ST" is in sale since Tuesday, February 24, 2015. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Factory Manufactured". The seller is "fantasyknivestexas" and is located in Portland, Texas. This item can be shipped to United States.