Hydrodynamic fin shape with lightweight design. Easy to use and deadly accurate to make sure your Syndicate ski is precisely dialed in. Includes Fin and machined aluminum adjustable fin box, only 5/32″ Allen wrench required for tightening and adjustment.Machined aluminum adjustable fin boxHydrodynamic shape with lightweight designOnly 5/32″ Allen wrench required for tightening and adjustmentEasy to use and deadly accurateFeatures:Machined aluminum adjustable fin boxHydrodynamic shapeLightweight designOnly 5/32″ Allen wrench requiredDeadly accurate