1/2 Inch Drive x 21 mm Shallow 12-Point Impact Socket Channable Exclude and the tightly mated fit

and the tightly mated fit results in a bit that won't loosen over time or under stress

Tekton bits are 30 mm long to improve your access to recessed fasteners

Internal Thread: 3/8"-16

Overall Dimensions: 16"W x 15"L x 7"H

Part Number: assortment-kit-547904 Pieces - Coarse Thread

1/2 Inch Drive x 21 mm Shallow 12-Point Impact Socket Channable Exclude and the tightly mated fitTwo 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