The BlueSpot Straight Cut Aviation Tin Snips are ;specially designed to cut through aluminium, sheet metal, leather, tiles, rubber and shingles. Manufactured from drop forged carbon steel and heat treated for increased durability. With a serrated lower jaw to prevent slips. They use a compound leverage for maximum cutting power and can cut up to 18 gauge steel. Fitted with soft grip handles for increased comfort and a lever lock for safe storage.