Comprehensive 23-Piece Extension Bar Set Features 6 points for enhanced torque application on fasteners. Designed to reach challenging areas, with a Universal Joint that rotates 360°. Protective Storage Supplied in a protective EVA Foam Tray for organized and secure storage. Contents Socket Extensions for Hard to Reach Areas 375 mm Long 1/2 Inch Drive Socket Extension 250 mm Long 1/2 Inch & 3/8 Inch Drive Socket Extensions 150 mm Long 1/2 Inch, 3/8 Inch, 1/4 Inch Drive Socket Extensions 75 mm Long 1/2 Inch, 3/8 Inch, 1/4 Inch Drive Socket Extensions 38 mm Long 1/2 Inch, 3/8 Inch, 1/4 Inch Drive Socket Extensions Universal Joints for Hard to Reach Areas and Bypassing Obstructions 360° Rotatable 1/4 Inch Universal Joint 3/8 Inch Universal Joint 1/2 Inch Universal Joint Socket Adapters For Using Different Drive Size Sockets 1/4 Inch Hex to 1/4 Inch Drive Adapter 3/8" Female x 1/4" Male Adapter 1/4" Female x 3/8" Male Adapter 3/8" Female x 1/2" Male Adapter 1/2" Female x 3/8" Male Adapter 1/2" Female x 3/4" Male Adapter Spark Plug Sockets for Damage-Free Spark Plug Removal and Installation 5/8" Spark Plug Socket 13/16" Spark Plug Socket