This grip is made from very durable polymer plastic which supports place for 1" (25mm) lights/flashlights. You can attach any light to the holder as long as the body of the light is smaller than 25.4mm on diameter. This grip is to be attached to any normal accessory rail such as weaver rails.
On the both sides of the grip there are separate rails for accessories. Also on both sides of there grip there are places for pressure switches for your flashlight remotes. There is a separate switch for your flashlights at the end of the grip which can be operated with thumb.