Overview Reviews Product Description Ratchet style arm in 3/4" diameter with 10" down tube. Fits many older and non-branded drum sets. Product Videos Custom Field Product Reviews Write a Review Write a Review × GIBRALTAR Gibraltar 3/4" Diameter Ratchet Style Tom Arm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *