Planet Eclipse Hex Key Allen Set with Ball Ends (7 Piece)
A full set of standard Allen Hex Keys for any marker. Includes 7 Allen Hex Keys: 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, and 1/4.
The keys are labeled in their holder for easy identification. Definitely have at least one of these in your gear bag.