Features and Benefits:

• The three largest tap sockets are now packaged in a three piece set
• Ideal for use where a T handle won't fit, especially in restricted areas
• For larger, fractional M.C.T. standard taps
• Sockets contained in a vinyl holder

#9 socket is 5/8" (16mm), #10 is for 11/16" (18mm) and #11 is for 3/4".