This high-quality bit adaptor, from Yato, is designed to let you use 8 mm bits with a 3/8″ (9.5 mm) tool drive, making it ideal for expanding the versatility of your socket set or ratchet. It’s part of Yato’s GRD series, made from durable CrV 6140 chrome-vanadium steel with a chrome satin finish for corrosion resistance and long life.The adaptor has a length of about 30 mm and a socket outer diameter of about 17.9 mm, offering a compact form factor that’s easy to handle. Customers rate this tool highly, reflecting its reliable performance for both professional and DIY use. If you need a simple way to drive 8 mm bits using your 3/8″ drive tools, this Yato adaptor is a practical, affordable solution.