F1 Firearms Red Safety Selector Kit - This precision made F-1 Firearms Safety Selector Kit is manufactured out of 7075-T6 aluminum which includes two long paddles and one short paddle in various color options. The safety tumbler was manufactured by F-1 Firearms out of 17-4 steel as was the detents and screws. The kit comes with a safety spring as well. For light weight, function and precision you won't find a better safety selector kit on the market. 90 Degree Standard Throw Lever Includes: 2 Long And 1 Short Tumbler, Detent, Spring, And 2 Screws