Powder Pack, Tropical Cooler, 47.66 oz, Pack, Yields 5 gal no checkout including other shooters and environmental including other shooters and environmental sounds Amplifies ambient sound to safe 82 dB – response technology reverts to passive hearing protector when noise reaches 82 dB Directionally placed stereo microphones amplify and enhance sound for more natural hearing Low profile design with cut out allows for full clearance of firearm stock As a circle layout tool with sliding soapstone holder and 360 degree scale on the magnetic base Will cut circles up to 30" in diameter As a circle burning guide use this same tool to cut a round plate Powder Pack mixes quickly and easily with water Helps replenish fluids and electrolytes to prevent dehydration