1/2" Drive SAE 51/64" Penta-Socket

5 point Penta-Socket services 5 point nuts found on tamper-resistant Buffalo covers used by gas, electric, and some water companies to protect shutoff gates. Display can be turned 18 degrees to allow left hand usage. Battery cover designed to be aviation FOD proof. Holds “peak” torque reading for 1 seconds. Constructed of special Capron® material for long life and durability. Resistant to the majority of chemicals used in industrial environments. Wrench can be hung on tool board. Bar graph displays orientation of torque application (left or right hand). Uses standard 9 volt alkaline battery. N.I.S.T. traceable certificate of calibration included. Meets or exceeds ASME B17.3 – 21