1/2 Inch Drive x 21 mm Deep 12-Point Socket BoltsandNuts.com The star-shaped ends have 6-lobes

The star-shaped ends have 6-lobes that are machined to precise tolerances for an exact

All adapter and reducers in this set have a corrosion-resistant manganese phosphate coating

These counterbores are made of two-piece construction

The wrenches have laser-engraved size markings and (with the exception of the smallest wrench sizes) chamfered handles

Part Number: BIT-POU1-8

1/2 Inch Drive x 21 mm Deep 12-Point Socket BoltsandNuts.com The star-shaped ends have 6-lobesDeep 12 point opening fits double hex (12 sided), hex, and square shaped fasteners Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round off Deep length sockets reach into wells and accommodate the excess threads of longer shafts Extra large die stamped size markings are easy to read and cant wear off Polished, chrome plated finish easily wipes clean and is highly resistant to corrosion Four detent