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The Factory Weights Calibrated Collars set a new standard for powerlifting and weightlifting competition. These are designed with specifications of the IPF and IWF in mind. With an extremely robust and durably design these collars are built to last even in the most testing commercial/powerlifting gym environments. These Factory Weights Calibrated Collars are also held to a strict Standard in weight tolerance of -0 / +10 grams which meet the calibration standards of the IWF and IPF.
How to use Factory Weights calibrated collars:
The collar is placed on the sleeve with knurled locking ring positioned against the plates. Then rotate the lever handle, which tightens the steel sleeve inside the collar. This means the collar is tight with reduced damaged to the barbell sleeve. The knurled locking ring then rotates to provide additional stability against any movement of the plates. This design makes adding and removing the collars easy but very secure when lifting.
Specification:
