Features:

•     Jaws adjust to tightly secure taps from #6 to 1/2in. taps
•     3/8in. square drive compatible with common ratchets
•     Small profile for use in tight workspaces
•     Knurled ring twist to adjust for quick fit
•     2 piece set for greater versatility

Both adjustable tap sockets are 3/8in. drive, one fits #6 through 1/4in. taps and the second adjustable socket fits 1/4in. through 1/2in. taps. This Irwin innovation allows the easy use and changing of various sizes of taps.