Heavy duty large V-blocks - videos

Heavy duty large V-blocks. By Max Grant.

48:42 video:
https://www.youtube.com/watch?v=jy-9v9vxozY

44:25 video:
https://www.youtube.com/watch?v=e01MXJ18v3Q

38:57 video:
https://www.youtube.com/watch?v=x-nQfbgNUE8

45:14 video:
https://www.youtube.com/watch?v=Wl88PqNt9-w

Personally I would replace the sharp vee with a flat and sacrifice the ability to hold tiny diameters, making the blocks half the height.