Features and Benefits: Designed to work with and retain Astro Nano style stubby impact sockets for a full working height of just 0.88" Extra long 18" length for accessing tough to reach hardware, keeping your hands free Complete 6mm to 24mm coverage with one tool by pairing with Astro 78319 6-24mm no skip set 72-tooth ratcheting mechanism, polished tear drop handle, c-clip design to retain 3/8 drive size Nano style sockets with 17mm outside hex;