The original Balldriver L-wrenches save time in hard to reach and blind locations Tools are Made in the USA with Bondhus' proprietary Protanium steel - up to 20% stronger than competitor tools Exclusive GoldGuard 14 Karat Gold Finish provides corrosion and rust resistance - protecting your investment over time Gold finish color is unique and allows these hex keys to standout among the more common black or gray colored keys.