Forged stainless steel with excellent flexibility and stainless Scissors are sharp and well secured so they are not easy to come loose or degraded The curve of the tools reaches the hard-to-reach areas to plant your aquarium plants Specially designed clip end, no harm to your small or fine aquatic plants Aquarium Fish Tank Tool Set of 5: Straight Scissors, Curved Scissors, Substrate Spatula, Straight Tweezers, Curved Tweezers.