SuperLevel Guide

The permanent solution to wobbling tables. Guaranteed to keep tables and equipment steady without damaging floors. Automatically adjusts tables to uneven floors, even when a table is moved repeatedly. No manual adjustment is necessary.
1/4-20 thread
1-1/8" (2.8cm) base diameter
Adjusts itself up to 1/4" (.6cm)
125 lbs load capacity (500 lbs per set of four)