PROLOC Collars are 100% American made with the HIGHEST QUALITY.  We do not use materials in our collars that damage easily. PROLOC Collars have been proven tough in the gym, crossfit box, and in many strongman events time after time.  PROLOC Collars take punishment and keep on holding.  Throw them in your gym bag, toss or kick them across the gym.  If you are really hard on your gear, we recommend our heavy-duty knobs.  

PROLOC Collars can be used with but not limited to Olympic or Power Lifting bars, Logs, Camber Bars, Safety Squat Bars, The Swiss Bars,  Axels, Log bars, Yolks and Farmers Walk Handles.  PROLOC Collars fit nearly every bar that can take an Olympic plate. Fits Sleeve Diameters from 1.937" to 2.007".   PROLOC Collars are nearly UNIVERSAL.  

The Knobs of the PROLOC Collar make changing the weights as easy as using spring collars but because of the high craftmanship of the collar will last in the busiest gym enviroments for YEARS.

PROLOC Collars can be customized through us.  Our options include: Color, Engraving, and Choice of Knobs. If you do not see a color you want in our store, please contact us and we can see if we can make it.

Each Proloc Collar comes with a 2-year warranty covering material defects and workmanship. Warranty does not cover disassembly of threaded knob and incorrect replacement resulting in cross-threading.

Supporting Four Plates without slipping!

Holding Strong on the end of An AXEL bar!

PROLOC Collar Customized with Engravings and a heavy-Duty Knob