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Olympic 50 mm Bar Pinch-Bolt Collar
This split-ring collar fits a 50 mm Olympic barbell sleeve and replaces spring clips, which get lost, slip under load and pinch fingers. It has a 50.6 mm bore, a 66 mm OD and is 25 mm tall. One M5 x 25 bolt pulls the jaws shut, with its nut held in a captured 8 mm hex pocket.
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