Features: Easy loosening or tightening of different screw connections. No more struggling to get to the bolts to change the toilet for seat. It's fitting for 17/13/10mm, meeting your different needs. This set can combine with many other tools. It is made of high quality ABS plastic and robust.
Specifications: Material ABS Length：20 for cm/ 8 inches Fitting Size: 17/13/10mm, 0.4/0.5/0.67inches.
