In summary, Shurik is not terrible, but for the price, there are definitely better options. When I am building doors, I use it primarily for drilling holes with feathers and for fastening self-tapping screws on concrete (also known as hamos). Has some pros: Easy to carry, not too big, and possesses adequate strength. The bits are simple to modify. The use of feathers for drilling is highly effective. It makes quick work of turning the amoska into a brick. Hook that can be attached to your pocket for your convenience. Below are some downsides: Lightweight, yet a significant amount of force is required in order to normalize the screw's tightening.