4 in. Double Acting Spring Hinge in Galvan Neal (Set of 2) Drill & Drivers Hanging Hook Batteries Included Yes Hanging Hook Batteries Included Yes Battery Charger2 1 Battery & Charger Included Battery Amp Hours2 12 Ah Voltage (volts) 18 Charger Included Charger Included Product Width (in Brushless motors are more efficient 55 Builders Hardware Product Type Door Hinge Material Steel Hinge Radius Square Commercial Residential Commercial Pin type Fixed Pin Returnable 180 Day Package Quantity 2 Finish Galvanneal Hardware Finish Family Gray Mounting Type Wall Hole Pattern Zig Zag Hinge Type Surface mount Holes 10 Mounting Type2 Surface Mount Interior Exterior Interior Exterior Fasteners included Yes Hinge Feature Mounting Hardware Included For medium to heavy weight doors