TAC-FORCE TF-859 SPRING ASSISTED KNIFE. 3.5 3MM THICK BLADE, STAINLESS STEEL. The item "Tac-Force Spring Assisted Tactical Rescue Pocket Stonewashed Blade Knife TF-859" is in sale since Monday, March 02, 2015.This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Factory Manufactured". The seller is "beyondblade" and is located in Los Angeles, California. This item can be shipped worldwide.