Low profile design allows 360° of rotation and 6" of smooth, wobble-free fore and aft travel
Heavy duty anodized aluminum slide plate has standard 5"x12" hole pattern
Positive lock spider rotates 360°, internal cup engages in 10° increments for positive stop lock (Secondary twist control offers variable drag adjustments and can be tightened to lock in place)
Internal delrin cup provides smooth, gaul-free operation
Meets ABYC-H31, Type A Standards & Garelick™ performance standards