For picking up objects in the water, planting plants in the water and trimming plants (with the scissors attachments).Details:For freshwater and saltwater aquariumsIf the Aquatic Gardener is dropped in the tank it is designed to float The attachments are angled and can be mounted for both right-handed and left-handed users Has scissors attachment for cutting. Stainless steel blades resist corrosion and remain sharp. The hand attachment is for grabbing and planting. Enables planting without first digging into the gravel. Size: 20 inches in length. For aquariums with water depth less than 16 inches. SIZE: 27-1/4" in length. 14-1/4" folded. For aquariums with water depth less than 23-1/4".