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

Microtech Automatic Combat Troodon Rescue Knife OTF Black Aluminum Serrated Blade 6013THS

Microtech Automatic Signature Series Makora OTF Knife Black Aluminum & Traction Double Edge Blade 2061TS

Microtech Automatic Hera II OTF Knife Stonewash Aluminum Two-Tone Recurve Blade 17051NC

Microtech Automatic Combat Troodon Interceptor Gen III OTF Knife OD Green Aluminum Serrated Blade 121711ODS

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113511

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 113612APRD

Microtech Automatic Daytona OTF Knife Red Aluminum & Traction Apocalyptic Drop Pt Blade 12410APRDS

Microtech Automatic LUDT Gen III Button Lock Blue Aluminum & Traction M390MK Two-Tone Serrated Knife 11363BL

Microtech Socom Elite Linerlock Black Aluminum & Traction Folding Serrated Tanto Knife 16112

Microtech Automatic LUDT Gen III Button Lock Blue Aluminum M390MK Knife 113611BL

Microtech Socom Elite Linerlock OD Green Aluminum & Traction Folding Two-Tone Serrated Tanto Knife 1612OD

Microtech Automatic LUDT Gen III Button Lock Gray Aluminum M390MK Knife 11352NC

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 11355

Microtech Socom Elite Buttonlock M390Mk Automatic Knife 160A11NC

Microtech Automatic LUDT Gen III Button Lock Tan Aluminum M390MK Knife 113611APTA

Microtech Automatic Socom Elite Knife Button Lock Black Aluminum & Traction Stonewash Serrated Blade 160A11

Microtech Automatic Combat Hellhound OTF Knife Black Aluminum Apocalyptic Razor Blade 219R10APS

Microtech Standard Issue MSI Ram-Lok Tri-Grip Sangria Polymer Folding M390MK Knife 210T1PMCSR

Microtech Automatic LUDT Gen III Button Lock Tan Aluminum M390MK Knife 113511APTA

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 11352T