Description This item is a training , made of manganese steel material, stable and durable. Suitable for personal and reusable training and practice. The is stable and firm, which is not easy to fall when hanging on the tree or wall. Lightweight and portable, it is suitable for indoor and outdoor use. Features -Color:Silver -Material:Manganese steel -Size(2cm):3.50X2.00X0.90cm/1.38X0.79X0.35in -Size(3cm):4.50X3.00X1.00cm/1.77X1.18X0.39in -Size(4cm):5.50X4.00X1.10cm/2.16X1.57X0.43in -Thicken manganese steel material supports training use for many times, not easy to break or damage. -Smooth surface and round edges, safe to touch without hurting the hands. -Lightweight design, so it's portable to carry to where you need. Convenient and practical. -Suitable for the use with different materials, no too much limits. It is the perfect assistant to improve accuracy and skills. -With a hanging design, it can also be hung indoors for training in bad weather.