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 1/2″ DRIVE 5 POINT PENTA-SOCKETBlack Industrial Finish Product Code Size (Inches) OAL (Inches) Drive End Diameter (Inches) Working End Diameter (Inches) Broach Depth (Inches)Bolt Clearance Depth (Inches)Bolt Clearance Diameter (Inches)Nose Length (Inches)SB-52651/641 1/41 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.