1 - Tilt locking knob
2 - Tilt drag knob
3 - Sliding plate safety release button

1 - Pan drag control
2 - Pan locking knob
3 - Illuminated levelling bubble

504HD Pro Video Head Specifications
Head Height 6.1 inches (15.5 cm)
Tilt+90° -60°
Tilt Drag Continuously adjustable from 0 to max level
Independent Tilt Lock:Yes
Pan 360°
Pan Drag Continuously adjustable from 0 to max level
Independent Pan Lock:Yes
Balance Control 4 Step: 0 - 5.5 - 11.0 - 16.5 pounds (0 - 2.5 - 5.0 - 7.5 kg)
Head Base75mm (2.95-inch) half ball
Pan Handle 1 Telescopic, 2 available positions, additional pan handle: 504HLVQR
Plate Supplied 504PL
Sliding Travel of Plate 3.27 inches (83 mm)
Working Temperature Range -4° F - 140° F (-20° C - 60° C)
Maximum Load Capacity16.5 lbs. (7.5 kg)
Weight 6.4 lbs. (2.9 kg)

1 - Counterbalance adjustment knob
2 - Sliding quick release plate
3 - Sliding quick release knob