Your search for "microtech mini amphibian" revealed the following:

Microtech Automatic LUDT Gen III Knife Button Lock OD Green Aluminum Stonewash Blade 113510OD

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113611

Microtech Socom Delta Marfione Ram-Lok Stonewash Titanium Folding M390MK Knife 160RLS10SMS2

Microtech Automatic Combat Troodon Gen III OTF Knife Tan Aluminum Stonewash Tanto Blade 114410TA

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113610AP

Microtech Automatic LUDT Gen III Button Lock Turquoise Aluminum M390MK Knife 113610TQ

Microtech Automatic Stitch Knife Button Lock Merlot Red Aluminum Stonewash Serrated Blade 16911MR

Microtech Automatic Socom Elite Knife Button Lock Red Aluminum & Traction Apocalyptic Blade 160A10APRD

Microtech Automatic LUDT Gen III Button Lock Gray Aluminum M390MK Knife 11363NC

Microtech Automatic LUDT Gen III Button Lock Gray Aluminum M390MK Knife 113610APNC

Microtech Automatic Dirac OTF Knife Black Aluminum Partially Serrated Double Edge Dagger Blade 22511

Microtech Automatic LUDT Gen III Button Lock Gray Aluminum M390MK Knife 11351NC

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 11362RD

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113612AP

Microtech Automatic Combat Troodon Gen III OTF Knife Tan Aluminum Apocalyptic Serrated Blade 114211APTA

Microtech Automatic Stitch Knife Button Lock Merlot Red Aluminum Stonewash Blade 16910MR

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113610

Microtech Automatic LUDT Gen III Button Lock Turquoise Aluminum M390MK Knife 113612TQ

Microtech Automatic Socom Elite Knife Button Lock Blue Aluminum & Traction Apocalyptic Serrated Blade 160A11APBL

Microtech Standard Issue MSI Ram-Lok Natural Clear Gray Fluted Aluminum Folding Two-Tone M390MK Knife 2101FLNC