Snap-on 7 PC Mixed Custom Set Metric Standard Ball Hex Socket Drivers (3-9mm). This listing includes the following Snap-on sockets. TMABM3E, Size 3mm, 1/4 Dr. TMABM4E, Size 4mm, 1/4 Dr. TMABM5E, Size 5mm, 1/4 Dr. TMABM6E, Size 6mm, 1/4 Dr. FABM7E, Size 7mm, 3/8 Dr. FABM8E, Size 8mm, 3/8 Dr. FABM9E, Size 9mm, 3/8 Dr. Please note: this listing is a mixed custom metric set with both 1/4″ drive & 3/8″ drive ball hex socket drivers. All model numbers are provided in this description. Sockets are used with some wear to the finish and ball ends. There may be minor grease or dirt within the sockets but they will not be cleaned completely by a tool/parts wash bin. They will be wiped down with a cloth. No engravings or initials are noted on these sockets. Please inspect all pictures for additional visual details. If you have any questions, please do not hesitate to ask.