Check the listing for details. 2pc Universal Impact Joint Set 3/8" & 1/2" DR. CR-MO Ball Type Swivel Socket. Condition: New. Listed at 15.99 USD. Cal-Hawk 3/8" And 1/2" Drive Impact Universal Joint Set This versatile Cal-Hawk 2-PC. Impact Universal Joint Set is engineered for use with impact drivers, other air tools and hand tools. These impact grade universal joints will increase your access to hard to reach nuts, bolts and fasteners. Universal / Swivel Joints work around obstructions and get into tight spots, delivering the torque needed to break loose stubborn fasteners. When space is limited, they save you time and help you avoid unnecessary disassembly steps. Constructed from premium Heat Treated Chrome Molybdenum Steel, they are impact grade, offer superior strength and feature a corrosion-resistant Black Oxide Finish.Features:3/8" and 1/2" Universal Joints engineered for use with impact drivers Works around obstructions to access hard-to-reach fasteners Drop Forged, Heat Treated, Chrome Molybdenum Steel Spring-loaded detent balls securely latch onto sockets High Quality, Ball Type Swivel for Long Durable Use Black Oxide Finish Resists Rust and Corrosion