The KF121 painting robot is the smallest of the K series and is suitable for painting and handling small workpieces in an explosion-proof environment. Arm Rotation (JT1) - ±160 ✽3 Arm Out-in (JT2) - ±90 Arm Up-down (JT3) - ±150 Wrist Swivel (JT4) - ±270 Wrist Bend (JT5) - ±145 Wrist Twist (JT6) - ±360 Wrist Swivel (JT4) - 7.8 Wrist Bend (JT5) - 7.8 Wrist Twist (JT6) - 2.9 Allowable Moment of Inertia (kg•m2) - Wrist Swivel (JT4) - 0.17 Wrist Bend (JT5) - 0.17 Wrist Twist (JT6) - 0.06 Mass (kg) - 140 Mounting - Floor, Wall, Ceiling Installation Environment - Ambient Temperature (°C) - 0 - 40 Relative Humidity (%) - 35 - 85 (No dew, nor frost allowed)