GY561 Portable Frequency Counter Tester + Power Meter for Two-Way Radio. Nicheone is a well-know online seller, specialized in walkie-talkie and engaged in the walkie-talkie sales for many years.
They also claimed that small pieces of debris found near Stonehenge, which were traced back to the dig site in Wales, were actually transported by the movement of glaciers over half a million years ago, and not brought by ancient masons along with the bluestones.
I successfully moved dozens of large 200-300 lb rocks by myself with a dolly. Most of the rocks were large and flat which made it easier to move with a dolly - but some were rounded boulders. Those we strapped on and my husband and I each lifted one end of the dolly.