... parts ,welded/riveted contacts component , automatic lathe turning parts ,electrical contact rivets , rivets ,springs ,sheet metal fabrication ,metal stamping mouldApplication/useagecomputer parts,home ... machins 4 setsautomatic lathe turning parts 6 sets , electrical contact rivets machines 10 sets ,rivets machines 30 sets ,spring machines 10 setsMaterialsBrass, stainless ...