1/4 Inch Drive x 13 mm Deep 12-Point Impact Socket BoltsandNuts.com The keys are coated with

The keys are coated with a durable manganese phosphate finish that's resistant to corrosion

and 9 mm heads have 60-tooth ratcheting mechanisms

Class 10 Flange Locknuts Zinc Yellow

Part Number D/ASTCO57/64

18-8 (304) Inch Finished Hex Nuts / A2-70 Metric Finished Hex Nuts

1/4 Inch Drive x 13 mm Deep 12-Point Impact Socket BoltsandNuts.com The keys are coated withTwo Size Markings The size is marked in two ways, both as a high visibility laser marking and a permanent stamped marking Full Length Socket Well 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 both drive tool anvil types Prevents Fastener Round Off