1/2" Drive x 7" Extension w/ Friction Ball GRE2247E Bit Sets This magnetic impact socket features

This magnetic impact socket features our high torque drive

Tests alternators and starters heavy-duty insulated clamps

In a compact molded case

Also removes the air brake booster for replacement

1/2" Drive x 7" Extension w/ Friction Ball GRE2247E Bit Sets This magnetic impact socket features1 2" Drive x 7" Extension w Friction Ball Features and Benefits: This 1 2" standard extension is designed to work with Grey Pneumatic 1 2" drive sockets It features a friction ball, which is a spring loaded ball that lines up with the socket retainer hole Engineered specifically for use with impact tools, using the most up to date industrial specifications Made from high quality chrome molybdenum steel Heat treated for strength and durability 1 2"