1/2 Inch Drive x 23 mm Deep 12-Point Impact Socket Quantity:1 They come in various shapes

They come in various shapes and sizes to fit different screw heads

Length Under Head: 5-1/4"

Part Number T/A54839TN

Length 6-9/16"

Part Number: DUR397-95

1/2 Inch Drive x 23 mm Deep 12-Point Impact Socket Quantity:1 They come in various shapesTwo Size Markings The size is marked in two ways on every socketboth as a high visibility laser marking and a permanent stamped marking Full Length Socket Well While the overall socket is a shallow length, the interior well extends fully into the socket, which allows for better fastener engagement in more situations Works with Friction Ring or Detent Pin Anvils Smooth walls inside the drive end and a detent pin hole make the sockets compatible with