DFC-A Magnetic Particle Applications Pneumatic/Motor Drive Applications Applications DFC-A Dancer or Follower Arm Control with pneumatic brake, clutch or motor drive DFC-90 Dancer or Follower Arm Control with magnetic particle clutch or brake MODEL A B C D DFC-A 104.9 mm (4.13 inches) 58.4 mm (2.30 inches) 85.8 mm (3.38 inches) 4.1 mm (0.16 inches) DFC-90 157.0 mm (6.18 inches) 58.4 mm (2.30 inches) 85.8 mm (3.38 inches) 4.1 mm (0.16 inches) Tension Controls 33 Tension Controls DFC-90