Those nut drivers designed to fit most power drills and cordless screw guns. This set comes with a storage organizer that keeps the pieces together. The sockets are handy for 1/4 inch hexagon chuck portable battery powered impact wrench or 1/4 inch bit holder.

Features:

• Made of high grade Chromium-vanadium steel
• Hardened and tempered steel for maximum strength and durability
• Bits are stamped with a socket size on the sidewall of each socket 
• Includes seven metric and seven standard (imperial) nut drivers
• Fits most power drills, impact wrenches with a 1/4 chuck or 1/4 bit holder and cordless screw guns

Specifications:

• Brand: Tolsen
• Model: 77817
• Made of Cr-V hardened 40Cr steel
• Imperial driver sizes: 3/16, 1/4, 9/32, 5/16, 11/32, 3/8 and 7/16in
• Metric driver sizes: 5, 5.5, 6, 7, 8, 10 and 12mm
• Length: 1.5in or 38mm
• Shank hex size: 1/4in or 6.3mm
• Weight: 7.5or or 214g

Package includes:

• 14pcs metric and imperial nut drivers
• Retail packaging