The lightweight “Ergo-Grip” is made from hard formed plastic with a seamless tight dual rubber gasket. The wing nut spins easy off and on and the well plug can be easily disassembled in the field. The unique design enables acceptance of any lock and also includes a tethering eyelet at the base of the plug.
FlushLock Well Locking Plugs. Plugs are flush in height and diameter with the well casing freeing up space in pro casings or manholes. Made from environmentally friendly sustainable prime Nylon. Comes in 2 inch and 4 inch diameter.
They use a unique security key for the ultimate in well protection. Key sold independently at $10 ea.