found at DigiDirect
Maintain your Travel Tripod with the Peak Design Tool Kit, which includes a stainless steel hex wrench that has 2.5 and 4mm sizes. The wrench helps to remove the center column, so the tripod can drop to a lower shooting position, it removes ball head pins, it installs a universal head adapter and a spike foot set, and it retightens the leg cam levers on the tripod. The kit also includes a leg clip that stores the folding hex wrench on the tripod leg and a bushing tool that removes inner bushings from the Travel Tripod's legs.