Craftsman  5/16 in.  12 Point SAE  Alloy S
*End 1 Size: 5/16 in.
*End 2 Size: 5/16 in.
*Number of Points: 12 Point
*Metric or SAE: SAE
*Product Type: Combination Wrench
*Length: 6.3 in.
*Number in Package: 1 pc.
*Color: Silver
*Material: Alloy Steel
*Ratcheting: Yes
*Packaging Type: Carded
*End Type: Box End/Open End
*Featuring fast grabbing action of a patented ratcheting open end, and the sure hold of a steady box
* Lifetime guarantee