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

Microtech Automatic UTX-85 Daytona OTF Knife Black Aluminum & Brute Bubble Double Edge Blade 12610BIS

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 113511APRD

Microtech Automatic LUDT Gen III Knife Button Lock Red Aluminum M390MK Tanto Blade 113610RD

Microtech Automatic Dirac OTF Knife Black Aluminum Double Edge Top Serrated Blade 22512

Microtech Socom Delta Marfione Ram-Lok Stonewash Titanium Folding M390MK Knife 159RL10SMS2

Microtech Automatic LUDT Gen III Button Lock Merlot Aluminum M390MK Knife 113612APMR

Microtech Arbiter Black Polymer Stonewash Fixed Blade Knife w/ Sheath 10410

Microtech Automatic LUDT Gen III Button Lock Tan Aluminum M390MK Knife 11351TA

Microtech Automatic LUDT Gen III Button Lock Purple Aluminum & Traction M390MK Drop Pt Knife 11351PU

Microtech Automatic LUDT Gen III Button Lock Black Aluminum M390MK Knife 11351T

Microtech Automatic Dirac Delta Knife OTF Black Aluminum Apocalyptic Serrated Double Edge Blade 22711AP

Microtech Socom Elite Linerlock OD Green Aluminum & Traction Folding Two-Tone Tanto Knife 1611OD

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

Microtech Socom Elite Linerlock Woodlands Green Aluminum & Traction Folding Serrated Tanto Knife 16112APWL

Microtech Automatic LUDT Gen III Button Lock Gray Aluminum M390MK Knife 113511APNC

Microtech Socom Elite Linerlock Turquoise Aluminum & Traction Folding Two-Tone Knife 1601TQ

Microtech Automatic LUDT Gen III Button Lock Red Aluminum M390MK Knife 113610APRD

Microtech Standard Issue MSI Ram-Lok OD Green Frag G10 Folding Serrated M390MK Knife 21011APFRGTO

Microtech Automatic LUDT Gen III Button Lock Tan Aluminum M390MK Knife 11352TA

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