992A-993 Electric Square Head™ Concrete Vibrators

The Most Advanced Concrete Vibrator Ever Designed
Special design and materials result in longer brush life
Safety Tested, UL Listed, CSA Certified

"Almost complete compacting was achieved in 15 seconds by the inventive tool, while a very imperfect compaction was achieved through the conventional tool, and this even when operated for 26 seconds." (U.S.) Patent Office-Patent No. 3,042,386
"Under controlled laboratory conditions, the Wyco Square Head Vibrator continually compacted the concrete studied from 20-50% faster than the round head vibrator."