D Focus Systems D/Riser Height Adjuster for D/Focus V3 Gearbox

The D/Focus Systems D/Riser Height Adjuster for D/Focus V3 Gearbox is a set of two different-sized riser and offset blocks that you can use to raise the height of the standard D/Focus V3 Follow Focus gearbox, which is a low-profile gearbox that sometimes can benefit from being raised a bit.