KnifeGuy78 Knives & Accessories. KnifeGuy78 carries the largest selection of Knives. New Streamlight TLR 9 Flex Tactical Light 69464. New Streamlight 3.75 overall. FLEX rear switch model. High switch mounted on light, low switch included. Fits full size handguns with rails and most existing light bearing holsters. Key kit included to fit a broad range of weapons. 1000 max lumens with 1.5 hour runtime. Requires (2) CR123A batteries (included). Boxed with hanging tab.