You have no items in your shopping cart
The Park Tool ST-3 combines the three most common bolt and nut sizes found on a bicycle into the iconic shape of a Park Tool 3-way wrench, for use on brakes, racks, accessories and more. forged chrome vanadium steel sockets. Read more..
The three most common bolt and nut sizes are combined with the classic Park Tool 3-way “Y” body. 8mm, 9mm, and 10mm forged CR-V steel sockets.