Park Tool IB-2 - I-Beam Mini Fold-Up Hex Wrench Screwdriver Star-Shaped Set

A straight blade screwdriver is ideal for adjusting screws on brake and gear components. 1.5, 2, 2.5, 3, 4, 5, 6 and 8 mm wrenches cover most fixings on a bike including many crank bolts. Unique Park I-Beam technology is strong, compact and lightweight.

eBay