To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
VISE-IMPROMPTU
Pliers and carpal expander, which is sold in any store "Sports" is all that is necessary for making the simplest grip. A. KOTLOVSKY, Boguchansk, Krasnoyarsk Krai
“HYDRA” – AEROHOD
A few years ago we managed to build a very successful vehicle — herohitonakomode. Testing of this device proved to be very successful and we wish our experience could use a lot of...