This Bonsai Training Wires Garden Tool is suitable for both beginner and professional gardeners! It comes with six rolls of training wires! There are two 5-meter rolls for each wire thickness: 1 mm, 1.5 mm, and 2 mm. You can use these wires to shape your growing bonsai tree into the shape you want. It is durable yet flexible enough for you to manipulate it. It is also strong enough for outdoor use but at the same time, it won’t harm your plant.