Here's an interesting gadget from Phanteks, the company created a $19.99 (19.90EUR) toolset that features everything you need for PC building. The company promises this kit will make it a lot easier to mount components in hard-to-reach spots, or to recover lost screws. Phanteks will start shipments in Q1 2018.
Custom selection of tools and bits for (watercooled) PC building
Full metal (aluminum / steel)
Telescopic extendable shaft for small spaces
Comes with a fexible extender for hard to reach corners
Magnetic tip makes it easy for picking up screws
Durable soft shell case included to keep everything together (fits the Phanteks toolbox)