Lock-Jaw Barbell Collars feature a proprietary Patented design that are constructed to securely hold weight plates on regular barbell bars, dumbbell handles and Olympic bars. Constructed from a solid nylon resin frame and injection molded pressure pads, Lock-Jaw collars are almost unbreakable and will provide you with years of safe dumbbell and barbell workouts. They are compatible with plates with any coating such as painted/baked on enamel, rubber and urethane. What makes Lock-Jaw the best barbell collars? Their one-handed installation and removal via the single-action cam makes weight changes quick and easy which can be especially important when performing drop set exercises.
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