Tool Sets -2pcs 1/2'' Swivel Impact Adapter Universal Joint Driver Socket 12.5mm Highlights Generic Brand 2pcs 1/2'' Swivel Impact Adapter Universal Joint Driver Socket 12, 5 Mm Description: 1/2 inch size, 360 degree swivel, professional tool for commercial or casual use. Save time and frustration, maximize the versatility of the ratchet and socket investment Covers the most common combination of adapting and downsizing so you can keep working Hardened chrome-vanadium steel construction for Superior Strength Corrosion Resistant, Durable and Barely Rusty Black Oxide for Impact Wrenches and Drills Specification: Material: Chrome Vanadium Steel Dimensions (Diam. X Height): 12.5mm (1/2'' F x 1/2'' M): Length: 65mm; 12.5mm Female to 12.5mm Male Package Include: 2pcs Impact Universal Joints