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1/4 x 5-5/8 Aircraft Pulley Diamond Sheaves
We have a bunch of these left over from when they were our mainstay. The pulleys are MS20221A3 Military spec aircraft control pulleys. They have a very high load rated mil spec full complement bearing. Full complement bearings have as many balls as fit into the race, which makes for a high load rating, but the bearing heats up with continuous high speed use. Not good for flying camera operations, but great for Special Effects and Stunt Rigging use.
Limited quantity, about 20 or 30 left. NEW Get them at the extremely low price of $100.00 each