Mueller Right Angle Insulated Grabber Hook Clip Right angle insulated grabber hook or plunger hook clip with a nylon housing and safety shock guard collar. This grabber hook can also be used as a probe tip when the plunger is retracted. The length of this insulated grabber hook is 116.84mm and the hook extends to 10mm when the plunger is fully depressed. The 4mm right angle lead connection accepts ultra-flex leads and is compatible with both insulated, non insulated or retractable 4mm banana plugs.