Not a traditional woodworking tool, but anyhoo...
I've been using 6mm Dyneema double braid line for a project recently (rigging shade sails); regular scissors and heavy duty snips just slide off this stuff. I've got some small Kevlar snips which I've used before for smaller diameter Kevlar lines, but they're just not heavy enough for the 6mm and larger diameter lines. I've been sawing through the stuff with a Stanley knife which eats blades and leaves a really manky frayed end to the line which makes loading the fid for splicing a pain. So I looked around and bought a pair of 'Engineer PH-51 Scissors' from Amazon. For general purpose heavy duty shears/scissors these beat my previous Wiss G21 snips, I think I'd probably stick with the Wiss as lightweight tin snips but for rope and line I now have a new favourite.
I've been using 6mm Dyneema double braid line for a project recently (rigging shade sails); regular scissors and heavy duty snips just slide off this stuff. I've got some small Kevlar snips which I've used before for smaller diameter Kevlar lines, but they're just not heavy enough for the 6mm and larger diameter lines. I've been sawing through the stuff with a Stanley knife which eats blades and leaves a really manky frayed end to the line which makes loading the fid for splicing a pain. So I looked around and bought a pair of 'Engineer PH-51 Scissors' from Amazon. For general purpose heavy duty shears/scissors these beat my previous Wiss G21 snips, I think I'd probably stick with the Wiss as lightweight tin snips but for rope and line I now have a new favourite.