The familiar metal lids from bottles will serve no worse than the famous springy washers. Grover thanks to its ribbed “skirt” that will prevent accidental removing of the screws in the joints of any parts subject to vibration.
Recommend to read
LET’S DEAL WITH THE SCREWDRIVER
Until recently, this metal and Assembly tool for screwing-unscrewing small fasteners and understand that special needs were not. Every Amateur designer or a mechanic, vehicle enthusiast,...
SHOVEL-DUMPER
It would seem that so simple a tool is the shovel, that to change it or to improve its design is hardly possible. Yes, the handle of the bayonet - that's the device. However, there are...
