Craftsman  1/4 in.  x 5/16 in.  12 Point S
*End 1 Size: 1/4 inch
*End 2 Size: 5/16 inch
*Number of Points: 12 Point
*Metric or SAE: SAE
*Product Type: Wrench
*Length: 4.5 in.
*Number in Package: 1 pc.
*Ratcheting: Yes
*End Type: Box End
*Material: Steel
*Packaging Type: Carded
*Color: Silver
*Flat style construction
*Faster and easier tightening and loosening of nuts and bolts
*Lifetime guarantee