Features and Benefits:  

• S2 Steel drive blades, black plated 
• 3/8" square drive bit holders are CR-V Steel, heat treated, bright chrome plated 
• Large markings for size identification 
• Comes in a blow molded case 
• Lifetime warranty

The tools are all marked with the part number and Hex size. This hot new drive set gives you both the Hex and Ball hex for the price of one set.  Sizes include: 3mm hex blade, 3mm ball hex blade, 4mm hex blade, 4mm ball hex blade, 5mm hex blade, 5mm ball hex blade, 6mm hex blade, 6mm ball hex blade, 7mm hex blade, 7mm ball hex blade, 8mm hex blade, 8mm ball hex blade and 10mm hex blade, 10mm ball hex blade.