Craftsman  5/16 in.  12 Point SAE  Alloy S
*End 1 Size: 5/16 inch
*End 2 Size: 5/16 inch
*Number of Points: 12 Point
*Metric or SAE: SAE
*Product Type: Combination Wrench
*Length: 4.38 in.
*Number in Package: 1 pc.
*Color: Silver
*Material: Alloy Steel
*End Type: Box End/Open End
*Packaging Type: Carded
*Ratcheting: No
*Heat-treated, oil quenched and tempered for a uniform hardness and maximum strength
*Nickel-chrome plated to resist rust and corrosion to simplify cleaning
* Lifetime guarantee