The Bullet Tool from Burton is a hand-tool 5-in-1 to tighten and adjust, it's perfect both for professionals and for the animators.
The compact shape prevents landings heavy when you put it in your pocket, while a handle-extension, provides you with maximum power in order to tighten the screws until the end. Easy to use with gloves on, with two Phillips bits flat head/Allen, as well as a mini-wrench, all stored safely inside the tool when not in use.