AQUAVITRO Double Curved Shears - Double Curved Shears 25cmSurgical grade stainless steel scissors. For large scale pruning or large aquariums. Four types of scissors for different aquarium needs. The aquavitro surgical stainless steel scissors are designed for use in both fresh and salt water. They are ideal for regular maintenance of aquatic plants. The double curved shears are ideal for trimming leaves and stems at the bottom of the aquarium where the steep angle is mitigated by the curve of the shears.