Surplus Strength Proloc Blocker
Top Pick
Surplus Strength

Surplus Strength Proloc Blocker

4.7

Best heavy duty collars for lifters using various specialty barbells.

A simple, effective way to lock down your barbell in a shared gym environment. It renders the bar unusable for others while allowing you to chain it to a rack for extra peace of mind.

$44.99

Out of stock

Who it's for

  • Powerlifters and Olympic lifters performing high-impact barbell training
  • Athletes seeking fast transitions during high-intensity interval training
  • Gym owners and serious home lifters investing in long-term equipment

Who should skip it

  • Elite strength athletes maximizing plate capacity on standard barbells
  • Budget-conscious fitness enthusiasts looking for basic equipment
  • Lifters using specialized equipment like axle bars or vintage barbells

Performance breakdown

Theft Deterrence

Robust metal construction makes unauthorized barbell removal significantly more difficult.

Excellent

Compatibility Range

Fits standard Olympic sleeves precisely with minimal wiggle room.

Excellent

Ease of Installation

Allen key mechanism is secure but requires a moment to tighten.

Good

Build Durability

Heavy-duty metal finish withstands the abuse of a busy gym floor.

Excellent

Portability

Compact enough to toss in a gym bag without adding bulk.

Excellent

Anchor Versatility

Integrated design allows for easy chaining to racks or storage trees.

Excellent

Key Specs

Compatibility

Olympic bars with collars 1.937 to 2.007 inches

Quantity per pack

1

Locking mechanism

Allen key

Material

Metal

Finish

Black

Know before you buy

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Surplus Strength Proloc Blocker

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Out of stock
$44.99
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