Jonard SST-716AT Security Shield Aqua Tight Tool Used with 7/16" hex shielded F connectors^Design includes extended 7/16" shank for ease of use with torque wrenches in security shield applications^Machined and heat-treated steel for maximum durability with black oxide finish^Knurled handle for secure gripping and includes a steel loop for turning leverage and carrying^Designed for use where security shield applications for PPC AquaTight EX Series connectors are used