Tripod Dolly 4" Large Wheel Upgrade w/Totalock

Totalock wheel system simultaneously locks the swivel and wheel making the unit stationary.  Fully heat treated double ball bearing raceway for long wear and added strength.  Wheels are thermoplastic rubber, so they do not expand and contract with temperature fluctuation which is a plus for astrophotography.  Each wheel independently rated to 190 lbs for a combined weight capacity of 570 lbs.

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