Drain Blaster Tank Reinforcements
thingiverse
These things are intended to reinforce the failure-prone rear edge of various drain blaster tools. I will add more images to show which name goes with which version, and the diameter of each, but I don't have those handy at the moment.
Download Model from thingiverse
With this file you will be able to print Drain Blaster Tank Reinforcements with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Drain Blaster Tank Reinforcements.