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

Microtech Standard Issue MSI Mini Ram-Lok OD Green Frag Aluminum Folding M390MK Serrated Knife 210M12FROD

Microtech Socom Delta Ram-Lok OD Green Aluminum Folding Apocalyptic M390MK Knife 159RL10APOD

Microtech Automatic Stitch Knife Button Lock Black Aluminum Partially Serrated Blade 16911

Microtech Automatic Stitch Knife Button Lock Natural Clear Gray Aluminum Apocalyptic Serrated Blade 16911APNC

Microtech Standard Issue MSI Ram-Lok Tri-Grip Dark Earth Polymer Folding Part Serrated M390MK Knife 210T2PMDE

Microtech Standard Issue MSI Ram-Lok Black Fluted G10 Folding Serrated M390MK Knife 21011FLGTBK

Microtech Standard Issue MSI Marfione Ram-Lok Stonewash Titanium Folding M390MK Knife 21010MS1

Microtech Automatic LUDT Gen III Button Lock Purple Aluminum M390MK Knife 113611PU

Microtech Automatic Stitch Knife Button Lock Merlot Red Aluminum Black Wharncliffe Blade 1691MR

Microtech Socom Elite Linerlock Woodlands Green Aluminum & Traction Folding Apocalyptic Serrated Knife 16011APWL

Microtech Automatic LUDT Gen III Button Lock Purple Aluminum M390MK Knife 113610PU

Microtech Automatic Stitch Knife Button Lock Natural Clear Gray Aluminum Serrated Blade 16912NC

Microtech Socom Elite Ram-Lok RAL-8000 Tan Frag Aluminum Folding M390MK Knife 58086

Microtech Standard Issue MSI Ram-Lok OD Green Fluted G10 Folding Serrated M390MK Knife 21012APFLGTO

Microtech Automatic LUDT Gen III Button Lock Blue Aluminum M390MK Knife 113612APBL

Microtech Socom Elite Linerlock Merlot Red Aluminum & Traction Folding Apocalyptic Serrated Knife 16111APMR

Microtech Automatic Socom Elite Knife Button Lock Purple Aluminum & Traction Apocalyptic Blade 160A10APPU

Microtech Socom Delta Ram-Lok OD Green Aluminum Folding Stonewash M390MK Knife 159RL10OD

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

Microtech Automatic Dirac Knife OTF Black Aluminum Double Edge Dagger Blade 22510