Multifunctional Chain splitter w/ DP-02 driving pin for 7-12 speed chain and bottle opener and screwdriver. Spec: spoke wrench 13/14/15/16G/Chain link storage (w/o link), hex 2 / 2.5 / 3 / 4 / 5 / 6 / 8 mm / T20 / T25 / T30 / PH2 / Flat5.