Gripper 3 Finger Parallel Internal Holding Force LBF @ 72 PSI 118 External Holding Force LBF @ 72 PSI 112.4 Open Width 73mm Closed Width 63mm Opening/Closing Stroke 20 mm Max Operating Frequency 30 cpm Operating Temp Range -10 to 60 C Maximum Pressure 87 PSI Port Size 1/8 RC Body Material Aluminum Finger Material Carbon Steel Length 82mm Width 106mm Height 106mm