alternativa de morsa para bancada

utilizando pipe clamps para alternativa a prensa de bancada, (3 classic Vises made with Pipe Clamps):

Artigo original em ingles no link:
http://www.popularwoodworking.com/projects/3-classic-vises-made-with-pipe-clamps

http://minhateca.com.br/eseck1/equip+marcenaria/prensa+com+piper+clamp,663731200.pdf