CHB Collets for the Pocket NC V2-50CHB comes in diameter sizes of 1/8”, 3mm, and 4mm.
CHK Collets for the Pocket NC V2-50CHK come in diameter sizes of 1/8 inch, 1/4 inch, 3mm, 4mm and 6mm.
Note, a 1/8” collet comes installed in the V2-50 machines.
The wrenches used to swap out collets (CHB and CHK) come with the original machine kit for the V2-50 CHK/CHB. No additional wrenches are required with individual collet purchase.