Features and Benefits:

• Includes sizes 4mm-8mm in 1/4mm increments
• 1/4mm increments ensures coverage regardless of fastener head condition
• Removes rounded or damaged fasteners (round, square or hex)
• Each set comes on a sturdy, professional-grade locking socket rail
• All pieces, including the socket rail are made in the USA

Manufactured from heat-treated alloy steel. No hammering required to install socket over fastener. Twist socket tightens as more torque is applied.