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 gatesCountry of Origin: US 3/8″ DRIVE 5 POINT PENTA-SOCKETBlack Industrial Finish Product Code Size (Inches) OAL (Inches) Drive End Diameter (Inches) Open End Diameter (Inches) Broach Depth (Inches) Bolt Clearance Depth (Inches) Bolt Clearance Diameter (Inches) Nose Length (Inches) BB-52651/641 1/161 1/81 1/87/161/223/32- Features:• 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.