The Shirogorov / Sinkevich Sigma Flipper is sporing a M390 Stainless Steel blade on the MRBS (Multi Row Bearing System ) , the scales are Carbon Fiber with a inserted Titanium lock. From a limited run off 200 , comes with certificate of authenticity. AMAZING flipping action , weighs in at 3.0 OZ.
Blade Steel: M390
Blade Finish: Tumbled
Blade Length: 4 in
Overall Length: 9 in
Scale Color: Carbon Fiber
Lock Type: Inserted Liner Lock
Back Spacers: Milled Anodized Blue Titanium
Liner Material: