Imperial 97477 Double Shut-Off Hydraulic Nipple 1/2" Ground Wire Scientifically proven to out perform

Scientifically proven to out perform traditional screws

Backwire with screw clamps

Manufactured of high tension steel wire and galvanized with a triple coating of zinc

It looks pretty much like a ball stuck to a handle with drill attachments sticking out each side

Patented 8-ply construction

Imperial 97477 Double Shut-Off Hydraulic Nipple 1/2" Ground Wire Scientifically proven to out performHighlights : Body Size: 1 2" Shut off valves on the nipple and coupler Brass construction Positive alignment and even load distribution provided by the ball locking mechanism Hose protection is the result of swivel action allowed by the coupler Interchangeability with other leading manufacturers Rated at a working pressure of 1,000 psi Temperature Range: 40 to 225 F Seals are made of Buna N material Female Thread: 1 2 NPTF Used with Double Shut Off