1. Item number: 101/102 Blue/Yellow Hydraulic Assembly Arm 2. Product size: 46x26x30cm 3. Package size: 40.5x10.5x29.5cm 4. Features: 3 in 1 function arm: grasping forceps, grabbing bucket, suction cup 5. No battery or motor required 6. Hydraulic power principle, the mechanical arm powered by water