Those on a tight budget or using few tools. For a professional, this is a solid investment in your trading. For the hobbyist, you will love them. I found out about them while watching someone create AR on YouTube and recommended them over a pin puncher. Eventually the patent on them will expire and then I think they will become a common tool as the price goes down. Until then, this is a premium product that will make people jealous of you. You can certainly live without paying over a hundred dollars for 3 keys, but if you can afford it, just do it and you won't regret it. Because they're so expensive and I don't use them all the time, I keep them boxed, unlike most other tools that are in tool boxes. The only thing that would have been better if they came with a storage bag.
Xiaomi Wowstick 1F+ cordless screwdriver black
41 Review
Cordless drill driver Metabo PowerMaxx BS Basic 600080500
68 Review
Cordless drill driver Makita DF330DWE
65 Review
For locksmith, repair and precision work Stels Tool set, 1/2", 1/4", CrV, 82-pcs plastic case, Stels, 82-pcs, silver
39 Review