Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. Durable nickel-pewter finish. Rubber O-rings keep bits securely in place. Sold individually. Detailed Specifications: Fits in Motion Pro 12-Point 5/16" Deep Socket with 1/4" Drive or 5/16" T-handle socket (sold separately).