It's the amazing repair tools you never meet before. Great use for your work, and multi-use in many area, you must have one in your tools bag!
About the Repair Hand Tools:
Diameter 25 mm, suit for 7-19mm nut and most irregular shape.
Adapter size: 3/8 inch, length 5cm.
About the Universal Shaft:
Legth:300mm;
Can 360 degree bend.