This is what i have and took out 3 and 4MM from it for my boostedtoolkit https://www.amazon.com/TEKTON-Wrench-Metric-30-Piece-25253/dp/B00I5TH074/ref=sr_1_7?ie=UTF8&qid=1534465062&sr=8-7&keywords=Allen+set&smid=ATVPDKIKX0DER