Proto Single 3/8" Drive 12mm 12-Point Metric Socket, Triple Square, Steel, Chrome Finish, Shop-Ready Socket for Machinery Maintenance and Job Sites, Must-Have Tool for Mechanics, DIYers, and Pros

Proto Single 3/8" Drive 12mm Metric Socket
✔️ single socket, 3/8" (9.52 mm) drive, 12 mm (0.472"), 12-point, metric

Need a dependable socket you can count on? This single Proto 3/8" drive 12mm metric socket is made for machinery maintenance and job sites. It helps you knock out jobs faster with less hassle.

✅ Pack size: 1 socket
✅ Drive size: 3/8" (9.52 mm)
✅ Size: 12 mm (0.472")
✅ Measurement system: metric
✅ 12-point design for a solid grip
✅ Material: steel
✅ Finish: chrome for rust resistance
✅ Triple Square design
✅ Brand: Proto
✅ Great for machinery maintenance and job sites

💡 How do you pick the right socket drive size for a job?
Drive size should match the fastener size and how much muscle the job needs.

• 1/4 inch drive sockets are great for small bolts and tight spaces
• 3/8 inch drive is the everyday pick for most car repair
• 1/2 inch drive handles lug nuts, suspension, and big bolts
• 3/4 inch and 1 inch drive are for heavy trucks and equipment