The RACE RESULT Track Box Passive Set includes 2x tripod mounts one for each Track Box Passive. The mounts fit on a standard 1/4" UNC thread. In order to use the Race Result Heavy Duty tripod, you will need to purchase two adapters.

The first adapter is from a 35mm pipe (the diameter of the top of the tripod) to a 3/8" male thread. Alternatively, if you can find one that is capable of going from 35mm to a 1/4-20 thread, you would only need one adapter.

For example: Adam Hall SPS 36 M38

The second adapter is a 3/8" female to 1/4" male adapter (the thread size needed for the Track Box mount).

For example: Manfrotto 015 Adapter 1/4" - 3/8"