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

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 11363T

Microtech Akris Ember Orange G10 Bohler M390MK Fixed Blade Knife w/ Sheath 9510EM1

Microtech Automatic Hera OTF Knife Black Aluminum Partially Serrated Blade 7032T

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 113611APRD

Microtech Automatic Signature Series Makora OTF Knife Aluminum & Traction Partial Serrated Double Edge Blade 2062TS

Microtech Automatic Combat Troodon Interceptor Gen III OTF Knife Red Aluminum Serrated Blade 12172RDS

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

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 11363RD

Microtech Steak Ivory G10 & Titanium Bohler M390MK Fixed Blade Kitchen 4pc Knife Set 3600B10SETIV

Microtech Automatic Daytona OTF Knife Black Aluminum & Traction Apocalyptic Drop Pt Blade 12410APS

Microtech Socom Marfione Ram-Lok Stonewash Titanium & Traction Folding M390MK Tanto Knife 161RL10MS2

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 11351RD

Microtech Automatic Combat Troodon OTF Knife Ultem & Black Aluminum Damascus Dagger Blade 14216DLCTULS

Microtech Socom Elite Linerlock Black Aluminum & Traction Folding Two-Tone Serrated Knife 1612T

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 113510

Microtech Standard Issue MSI Ram-Lok Tan Frag Aluminum Folding Two-Tone Serrated M390MK Knife 2103FRTA

Microtech Automatic Stitch Knife Button Lock Red Aluminum Apocalyptic Serrated Blade 16912APRD

Microtech Automatic Socom Elite Knife Button Lock Black Aluminum & Traction Two-Tone Blade 160A1T

Microtech Automatic Socom Elite Knife Button Lock Merlot Red Aluminum & Traction Apocalyptic Tanto Blade 161A10APMR

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