Base Kit for Canon C70 is an accessory kit that includes:

Upper Cage for Canon C70

Form fitting cage with 1/4-20, 3/8-16, and M4x20mm threaded holes in several places along with shoe mounts and 15mm rod clamps. ARCA Swiss dovetail slot on top accepts included ARCA Top Handle and Top Plate. Two included 15mm accessory rods provide additional mounting for optional AB-4 XLR adapter. Lower ARCA Swiss dovetail attaches to included baseplate and lens support adapter attaches to 3rd party lens adapters like Metabones, etc.  Please find the installation video guide here.

Baseline 15mm LW (Core)  

Quick-release 15mm LW baseplate with ARCA Swiss camera dovetail interface on top and ARRI standard dovetail interface on the bottom.

Baseline ARRI Dovetail

Baseline ARRI Dovetail is the lower ARRI mounting plate that interfaces with the Baseline Core.

ARCA Top Handle

Sliding camera handle that has 1/4-20, 3/8-16 with ARRI locating pins, and M4x20mm threaded holes plus two hot shoe mounts.