This kit includes the three most common drive sizes - 1/4-inch, 3/8-inch, and 1/2-inch - allowing you to use your standard socket sets with any hex-shank power tool. Built from heat-treated alloy steel, these adaptors handle high-torque tasks with ease. Ideal for automotive maintenance, home assembly, and industrial construction.

• Complete Drive Selection - Includes 1/4-inch, 3/8-inch, and 1/2-inch square drive sizes.
• Universal Hex Shank - 1/4-inch hex shank fits all quick-change chucks and standard drill drivers.
• Industrial Strength - Engineered from premium alloy steel for maximum durability and long life.