【What You Get】The set includes 2pcs impact socket adapter , 3/4 inch (19.1 mm) female to 1/2 inch (12.7 mm) male . It has clear markings on the surface for easy identification and management 【Spring Loaded Detent Ball 】This impact socket reducer converter is equipped with a spring loaded detent ball that securely connects to the socket , avoiding any slippage and ensuring smooth and safe operating during use 【Widely Uses】Flexible connection to sockets and wrenches of different sizes greatly enhances the tool's versatility . It makes maintenance and repair work more convenient and efficient 【Rustproof Coating】Our impact socket conversion adapter has a black manganese phosphate coating , superior to the conventional black oxide coatings used by others . The black manganese phosphate coating provides excellent rust protection , reduces friction with other fasteners , and ensures maximum durability 【High Hardness Material】This impact socket adapter reducer is made of heat treated forged chromium molybdenum steel , offering ultra high hardness . The thicker wall design can withstand higher torque and avoid breakage, Manufacturer: PATNFR