Wire Twisters come in three nominal sizes: 6", 9" and 12". Diagonal (standard) or Tapered nose configurations are provided to complement specific applications and user preference. Some models incorporate a Cushion Throat to catch clipped wire ends, preventing FOD (foreign object damage). The Spring Return feature automatically retracts the twist rod to ease and speed the work. Finally, Wire Twisters may produce right-hand twists (clockwise action), left-hand twists or both (reversible action).