1/4" Drive 6-Point SAE U-Joint Socket Set 7 Pieces by VIM Tools®. UNIVERSAL JOINT SOCKETS 7 PC. SAE SOCKETS. 1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 on 1/4 Sq. Drive. Fully Heat Treated Alloy Steel and Bright Chrome Finish on a 6 Magnetic Magrail Base. Limited Lifetime Warranty. Get your job done easier and faster with this high-quality tool. Designed and manufactured with the user in mind, it provides the strength and flexibility you need to handle your tasks without putting a strain on your back and arms. Made from super strong and durable materials, it will serve you for years to come.