Snap On Tools USA SX15 1/2” Drive 15" Long Friction Ball Socket Extension. This is a high-quality automotive tool designed for professional use. Made in the United States, this single item features a chrome surface finish and a specialty drive type with a 1/2 inch drive size. The friction ball socket extension provides added reach and leverage for accessing tight spaces and fastening nuts and bolts securely. With its durable construction and reliable performance, this extension is a valuable addition to any mechanic's toolbox. New extension may show cosmetic blemishes from being on actual tool truck.