Stainless Steel w/Hex Nut and Lanyard Ext.
This ClampTite robust tool about 2″ larger than the standard tool, and uses larger wire, up to about 1/8″ diameter. Comes with a bronze hex nut so heavy leverage can be applied with a wrench for heavy jobs.
The Commercial Marine Tool can be used with wire size up to 0.125″ including .051″, .062″, .080″ and .092″.
Marine — This tool has 1/2″ extension that allows you attach a lanyard for marine purposes.