• 17 Piece 3/8" Square Inch Drive Socket Set.
• 12 point bi-hexagon sockets.
• Manufactured from fine quality chrome vanadium steel with satin finish.
• Designed for the professional user. 
• Approx Depth of sockets (8-21mm) 28mm and (22-24mm) 30mm. 
• Supplied with a socket Storage Rail. 

3/8" Square Drive Sizes:

• 8, 9, 10, 11, 12, 13, 14, 15,16,17, 18, 19, 20, 21, 22, 23, & 24mm