Brand Name: Craftsman
*Size: .31
*Metric or SAE: Metric
*Handle Type: Fold-Up
*Product Type: Hex Key Set
*Length: 8 in.
*Number in Package: 8 pc.
*Material: Alloy Steel
*Color: Black
*Heat Treated: No
*Sizes included: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm and 8mm
*Provides comfort and slip resistance during use
*Covers a wide range of the most popular fastener sizes
*Convenience of built-in storage