Fins:Classic shape but small dimension (only 2.2mm height), give an High coefficient of penetration through the water.
Fins material 3 pcs: includes rest tab,billet, temperate stainless steel
Shaft Material:Sandvik stainless steel up to 52 Hrc. After the thermic treatment it assumes a burnished colour which is found in the middle of the shaft. Material with excellent mechanical characteristics. Tricut tip.