Proloc Collars
Best heavy duty locking collars for serious strength athletes.
These collars provide a rock-solid hold across a massive range of standard and specialty bars. The threaded design ensures they stay put through heavy lifts, offering a reliable, no-nonsense alternative to standard spring clips.
$51.45
at
Roguefitness
More Proloc Collars options
Who it's for
- Lifters using specialty bars like axle or cambered bars
- Commercial gym owners needing long-lasting equipment for high-traffic use
- Powerlifters requiring maximum plate security during heavy compound lifts
Who should skip it
- Athletes performing high-intensity intervals with frequent weight changes
- Lifters with limited barbell sleeve space preferring minimalist gear
- Budget-conscious home gym starters looking for the most affordable option
Performance breakdown
Locking Security
Threaded knob mechanism provides an exceptionally firm, slip-free hold.
Bar Compatibility
Versatile design fits everything from standard Olympic bars to specialty logs.
Ease of Adjustment
Threaded system is intuitive but requires a few extra turns.
Durability
Thick nylon construction withstands years of heavy, repetitive gym abuse.
Weight Capacity
Stays locked tight even under the stress of heavy dynamic lifts.
Build Quality
Rugged, industrial feel that prioritizes function over aesthetic flair.
Key Specs
Material
1.75 inch thick nylon
Compatibility
Olympic bars, Powerlifting bars, logs, cambered bars, Swiss bars, safety squat yoke bars
Inner Diameter
1.937 to 2.007 inches
Quantity per pack
2
Locking Mechanism
Threaded knob
Heavy Duty Construction
Yes
Non-Slip Design
Yes
Know before you buy
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Ask Metto anything about the Proloc Collars before you decide.