specification: Item Type: Finger Exerciser_x000D_Material: Wood + Nickel Coating_x000D_Wood Box Size: Approx. 20 x 12 x 4cm / 7.9 x 4.7 x 1.6in _x000D_Function: Mainly used for training operation of upper limbs. Training fine movements such as holding, pinching, twisting, inserting and transferring, and further strengthen the hand-eye coordination ability. Features: 1Has three nickel?plated rod sizes, 12pcs for each size, matched with training to meet various needs. 2Step by step strengthen the hand?eye training equipment to further strengthen the fine operation. 3Push and pull wooden box design, convenient storage and simple used for hand finger training. 4Made of high quality wood and nickel coating material, durable and reliable in use, good training effect. 5About 20 x 12 x 4cm / 7.9 x 4.7 x 1.6in of the wood box size, mainly used for upper body training operations. PackageList: 1 x Wood Box 36 x Nickel Coating Rod