I was never able to find a tool as pictured above at Lowe's or HD. However, as recommended in a thread on the forum, I tried a local hobby shop - which specializes in RC cars & planes - and found the tool for around $12.00. I can testify that I absolutely could not remove the grip screws with any of my Allen wrenches (without rounding off the heads) but they were no match for the 1/16" long handled hex driver. Try a hobby shop.